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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/integration/package_managers/ rel=canonical><link href=../cmake/ rel=prev><link href=../pkg-config/ rel=next><link rel=icon href=../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.7"><title>Package Managers - JSON for Modern C++</title><link rel=stylesheet href=../../assets/stylesheets/main.4b4a2bd9.min.css><link rel=stylesheet href=../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../css/custom.css><script>__md_scope=new URL("../..",location),__md_hash=e=>[...e].reduce((e,_)=>(e<<5)-e+_.charCodeAt(0),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script></head> <body dir=ltr data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo> <script>var palette=__md_get("__palette");if(palette&&"object"==typeof palette.color)for(var key of Object.keys(palette.color))document.body.setAttribute("data-md-color-"+key,palette.color[key])</script> <input class=md-toggle data-md-toggle=drawer type=checkbox id=__drawer autocomplete=off> <input class=md-toggle data-md-toggle=search type=checkbox id=__search autocomplete=off> <label class=md-overlay for=__drawer></label> <div data-md-component=skip> <a href=#package-managers class=md-skip> Skip to content </a> </div> <div data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> Package Managers </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_2 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_2> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_1 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12c0-2.42-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6a6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69Z"/></svg> </label> </form> <label class="md-header__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5Z"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitalize=off autocorrect=off autocomplete=off spellcheLine truncated
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=author content="Niels Lohmann"><link href=https://json.nlohmann.me/integration/package_managers/ rel=canonical><link href=../cmake/ rel=prev><link href=../pkg-config/ rel=next><link rel=icon href=../../assets/images/favicon.png><meta name=generator content="mkdocs-1.6.1, mkdocs-material-9.5.48"><title>Package Managers - JSON for Modern C++</title><link rel=stylesheet href=../../assets/stylesheets/main.6f8fc17f.min.css><link rel=stylesheet href=../../assets/stylesheets/palette.06af60db.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"JetBrains Mono"}</style><link rel=stylesheet href=../../css/custom.css><script>__md_scope=new URL("../..",location),__md_hash=e=>[...e].reduce(((e,_)=>(e<<5)-e+_.charCodeAt(0)),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script></head> <body dir=ltr data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo> <input class=md-toggle data-md-toggle=drawer type=checkbox id=__drawer autocomplete=off> <input class=md-toggle data-md-toggle=search type=checkbox id=__search autocomplete=off> <label class=md-overlay for=__drawer></label> <div data-md-component=skip> <a href=#package-managers class=md-skip> Skip to content </a> </div> <div data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../.. title="JSON for Modern C++" class="md-header__button md-logo" aria-label="JSON for Modern C++" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3zm0 5h18v2H3zm0 5h18v2H3z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> JSON for Modern C++ </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> Package Managers </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_0> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_1 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_0 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12s-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6a6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12z"/></svg> </label> </form> <script>var palette=__md_get("__palette");if(palette&&palette.color){if("(prefers-color-scheme)"===palette.color.media){var media=matchMedia("(prefers-color-scheme: light)"),input=document.querySelector(media.matches?"[data-md-color-media='(prefers-color-scheme: light)']":"[data-md-color-media='(prefers-color-scheme: dark)']");palette.color.media=input.getAttribute("data-md-color-media"),palette.color.scheme=input.getAttribute("data-md-color-scheme"),palette.color.primary=input.getAttribute("data-md-color-primary"),palette.color.accent=input.getAttribute("data-md-color-accent")}for(var[key,value]of Object.entries(palette.color))document.body.setAttribute("data-md-color-"+key,value)}</script> <label class="md-header__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 Line truncated
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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@@ -25,9 +25,8 @@
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<span class=w> </span><span class=nt>"string"</span><span class=p>:</span><span class=w> </span><span class=s2>"3.11.3"</span>
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<span class=w> </span><span class=p>}</span>
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<span class=p>}</span>
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</code></pre></div> <h2 id=homebrew>Homebrew<a class=headerlink href=#homebrew title="Permanent link">¶</a></h2> <p>If you are using OS X and <a href=http://brew.sh>Homebrew</a>, just type</p> <div class=highlight><pre><span></span><code>brew<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> <p>and you're set. If you want the bleeding edge rather than the latest release, use</p> <div class=highlight><pre><span></span><code>brew<span class=w> </span>install<span class=w> </span>nlohmann-json<span class=w> </span>--HEAD
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</code></pre></div> <p>instead. See <a href=https://formulae.brew.sh/formula/nlohmann-json>nlohmann-json</a> for more information.</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following file:</p> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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</code></pre></div> <h2 id=homebrew>Homebrew<a class=headerlink href=#homebrew title="Permanent link">¶</a></h2> <div class="admonition abstract"> <p class=admonition-title>Summary</p> <p>formula: <a href=https://formulae.brew.sh/formula/nlohmann-json><strong><code>nlohmann-json</code></strong></a></p> <ul> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M7.75 6.5a1.25 1.25 0 1 0 0 2.5 1.25 1.25 0 0 0 0-2.5"/><path d="M2.5 1h8.44a1.5 1.5 0 0 1 1.06.44l10.25 10.25a1.5 1.5 0 0 1 0 2.12l-8.44 8.44a1.5 1.5 0 0 1-2.12 0L1.44 12A1.5 1.5 0 0 1 1 10.94V2.5A1.5 1.5 0 0 1 2.5 1m0 1.5v8.44l10.25 10.25 8.44-8.44L10.94 2.5Z"/></svg></span> Availalbe versions: current version and development version (with <code>--HEAD</code> parameter)</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.322.75h1.176a1.75 1.75 0 0 1 1.75 1.749v1.177a10.75 10.75 0 0 1-2.925 7.374l-1.228 1.304a24 24 0 0 1-1.596 1.542v5.038c0 .615-.323 1.184-.85 1.5l-4.514 2.709a.75.75 0 0 1-1.12-.488l-.963-4.572a1.3 1.3 0 0 1-.14-.129L8.04 15.96l-1.994-1.873a1.3 1.3 0 0 1-.129-.14l-4.571-.963a.75.75 0 0 1-.49-1.12l2.71-4.514c.316-.527.885-.85 1.5-.85h5.037a24 24 0 0 1 1.542-1.594l1.304-1.23A10.75 10.75 0 0 1 20.321.75Zm-6.344 4.018v-.001l-1.304 1.23a22.3 22.3 0 0 0-3.255 3.851l-2.193 3.29 1.859 1.744.034.034 1.743 1.858 3.288-2.192a22.3 22.3 0 0 0 3.854-3.257l1.228-1.303a9.25 9.25 0 0 0 2.517-6.346V2.5a.25.25 0 0 0-.25-.25h-1.177a9.25 9.25 0 0 0-6.344 2.518M6.5 21c-1.209 1.209-3.901 1.445-4.743 1.49a.24.24 0 0 1-.18-.067.24.24 0 0 1-.067-.18c.045-.842.281-3.534 1.49-4.743.9-.9 2.6-.9 3.5 0s.9 2.6 0 3.5m-.592-8.588L8.17 9.017q.346-.519.717-1.017H5.066a.25.25 0 0 0-.214.121l-2.167 3.612ZM16 15.112q-.5.372-1.018.718l-3.393 2.262.678 3.223 3.612-2.167a.25.25 0 0 0 .121-.214ZM17.5 8a1.5 1.5 0 1 1-3.001-.001A1.5 1.5 0 0 1 17.5 8"/></svg></span> The formula is updated with every release.</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 2.5a5.5 5.5 0 0 1 3.096 10.047 9.005 9.005 0 0 1 5.9 8.181.75.75 0 1 1-1.499.044 7.5 7.5 0 0 0-14.993 0 .75.75 0 0 1-1.5-.045 9.005 9.005 0 0 1 5.9-8.18A5.5 5.5 0 0 1 12 2.5M8 8a4 4 0 1 0 8 0 4 4 0 0 0-8 0"/></svg></span> Maintainer: Niels Lohmann</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 3a2 2 0 0 1 2-2h9.982a2 2 0 0 1 1.414.586l4.018 4.018A2 2 0 0 1 21 7.018V21a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v18a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5V8.5h-4a2 2 0 0 1-2-2v-4Zm10 0v4a.5.5 0 0 0 .5.5h4a.5.5 0 0 0-.146-.336l-4.018-4.018A.5.5 0 0 0 15 2.5"/></svg></span> File issues at the <a href=https://github.com/Homebrew/homebrew-core/issues>Homebrew issue tracker</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10.97 8.265a1.45 1.45 0 0 0-.487.57.75.75 0 0 1-1.341-.67c.2-.402.513-.826.997-1.148C10.627 6.69 11.244 6.5 12 6.5c.658 0 1.369.195 1.934.619a2.45 2.45 0 0 1 1.004 2.006c0 1.033-.513 1.72-1.027 2.215-.19.183-.399.358-.579.508l-.147.123a4 4 0 0 0-.435.409v1.37a.75.75 0 1 1-1.5 0v-1.473c0-.237.067-.504.247-.736.22-.28.486-.517.718-.714l.183-.153.001-.001c.172-.143.324-.27.47-.412.368-.355.569-.676.569-1.136a.95.95 0 0 0-.404-.806C12.766 8.118 12.384 8 12 8c-.494 0-.814.121-1.03.265M13 17a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1M2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12"/></svg></span> <a href=https://brew.sh>Homebrew website</a></li> </ul> </div> <p>If you are using <a href=http://brew.sh>Homebrew</a>, you can install the library with</p> <div class=highlight><pre><span></span><code>brew<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> <p>The header can be used directly in your code or via CMake.</p> <details class=example> <summary>Example: Raw compilation</summary> <ol> <li> <p>Create the following file:</p> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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@@ -37,39 +36,160 @@
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Install the package</p> <div class=highlight><pre><span></span><code>brew<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> </li> <li> <p>Determine the include path, which defaults to <code>/usr/local/Cellar/nlohmann-json/$version/include</code>, where <code>$version</code> is the version of the library, e.g. <code>3.7.3</code>. The path of the library can be determined with</p> <div class=highlight><pre><span></span><code>brew<span class=w> </span>list<span class=w> </span>nlohmann-json
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</code></pre></div> </li> <li> <p>Compile the code. For instance, the code can be compiled using Clang with</p> <div class=highlight><pre><span></span><code>clang++<span class=w> </span>example.cpp<span class=w> </span>-I/usr/local/Cellar/nlohmann-json/3.7.3/include<span class=w> </span>-std<span class=o>=</span>c++11<span class=w> </span>-o<span class=w> </span>example
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</code></pre></div> </li> </ol> </details> <p><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1a6.887 6.887 0 0 0 0 9.8c2.73 2.7 7.15 2.7 9.88 0 1.36-1.35 2.04-2.92 2.04-4.9h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58a8.987 8.987 0 0 1 12.65 0L21 3v7.12M12.5 8v4.25l3.5 2.08-.72 1.21L11 13V8h1.5Z"/></svg></span> The <a href=https://formulae.brew.sh/formula/nlohmann-json>formula</a> is updated automatically.</p> <h2 id=meson>Meson<a class=headerlink href=#meson title="Permanent link">¶</a></h2> <p>If you are using the <a href=http://mesonbuild.com>Meson Build System</a>, add this source tree as a <a href=https://mesonbuild.com/Subprojects.html#using-a-subproject>meson subproject</a>. You may also use the <code>include.zip</code> published in this project's <a href=https://github.com/nlohmann/json/releases>Releases</a> to reduce the size of the vendored source tree. Alternatively, you can get a wrap file by downloading it from <a href=https://wrapdb.mesonbuild.com/nlohmann_json>Meson WrapDB</a>, or simply use <code>meson wrap install nlohmann_json</code>. Please see the meson project for any issues regarding the packaging.</p> <p>The provided <code>meson.build</code> can also be used as an alternative to cmake for installing <code>nlohmann_json</code> system-wide in which case a pkg-config file is installed. To use it, simply have your build system require the <code>nlohmann_json</code> pkg-config dependency. In Meson, it is preferred to use the <a href=https://mesonbuild.com/Reference-manual.html#dependency><code>dependency()</code></a> object with a subproject fallback, rather than using the subproject directly.</p> <h2 id=bazel>Bazel<a class=headerlink href=#bazel title="Permanent link">¶</a></h2> <p>This repository provides a <a href=https://bazel.build/ >Bazel</a> <code>WORKSPACE.bazel</code> and a corresponding <code>BUILD.bazel</code> file. Therefore, this repository can be referenced by workspace rules such as <code>http_archive</code>, <code>git_repository</code>, or <code>local_repository</code> from other Bazel workspaces. To use the library you only need to depend on the target <code>@nlohmann_json//:json</code> (e.g. via <code>deps</code> attribute).</p> <h2 id=conan>Conan<a class=headerlink href=#conan title="Permanent link">¶</a></h2> <p>If you are using <a href=https://www.conan.io/ >Conan</a> to manage your dependencies, merely add <code>nlohmann_json/x.y.z</code> to your <code>conanfile</code>'s requires, where <code>x.y.z</code> is the release version you want to use. Please file issues <a href=https://github.com/conan-io/conan-center-index/issues>here</a> if you experience problems with the packages.</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>Conanfile.txt</span><pre><span></span><code><span class=k>[requires]</span>
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<span class=na>nlohmann_json/3.7.3</span>
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<span class=k>[generators]</span>
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<span class=na>cmake</span>
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</code></pre></div> <div class=highlight><span class=filename>CMakeLists.txt</span><pre><span></span><code><span class=nb>project</span><span class=p>(</span><span class=s>json_example</span><span class=p>)</span>
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<span class=nb>cmake_minimum_required</span><span class=p>(</span><span class=s>VERSION</span><span class=w> </span><span class=s>2.8.12</span><span class=p>)</span>
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<span class=nb>add_definitions</span><span class=p>(</span><span class=s2>"-std=c++11"</span><span class=p>)</span>
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<span class=nb>include</span><span class=p>(</span><span class=o>${</span><span class=nv>CMAKE_BINARY_DIR</span><span class=o>}</span><span class=s>/conanbuildinfo.cmake</span><span class=p>)</span>
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<span class=nb>conan_basic_setup</span><span class=p>()</span>
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<span class=nb>add_executable</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>example.cpp</span><span class=p>)</span>
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<span class=nb>target_link_libraries</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=o>${</span><span class=nv>CONAN_LIBS</span><span class=o>}</span><span class=p>)</span>
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</code></pre></div> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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</code></pre></div> </li> <li> <p>Install the package:</p> <div class=highlight><pre><span></span><code>brew<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> </li> <li> <p>Compile the code and pass the Homebrew prefix to the include path such that the library can be found:</p> <div class=highlight><pre><span></span><code>c++<span class=w> </span>example.cpp<span class=w> </span>-I<span class=k>$(</span>brew<span class=w> </span>--prefix<span class=w> </span>nlohmann-json<span class=k>)</span>/include<span class=w> </span>-std<span class=o>=</span>c++11<span class=w> </span>-o<span class=w> </span>example
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</code></pre></div> </li> </ol> </details> <details class=example> <summary>Example: CMake</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Build:</p> <div class=highlight><pre><span></span><code>mkdir<span class=w> </span>build
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<span class=nb>cd</span><span class=w> </span>build
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conan<span class=w> </span>install<span class=w> </span>..
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cmake<span class=w> </span>..
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cmake<span class=w> </span>--build<span class=w> </span>.
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</code></pre></div> </li> </ol> </details> <p><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1a6.887 6.887 0 0 0 0 9.8c2.73 2.7 7.15 2.7 9.88 0 1.36-1.35 2.04-2.92 2.04-4.9h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58a8.987 8.987 0 0 1 12.65 0L21 3v7.12M12.5 8v4.25l3.5 2.08-.72 1.21L11 13V8h1.5Z"/></svg></span> The <a href=https://conan.io/center/nlohmann_json>package</a> is updated automatically.</p> <h2 id=spack>Spack<a class=headerlink href=#spack title="Permanent link">¶</a></h2> <p>If you are using <a href=https://www.spack.io/ >Spack</a> to manage your dependencies, you can use the <a href=https://spack.readthedocs.io/en/latest/package_list.html#nlohmann-json><code>nlohmann-json</code> package</a>. Please see the <a href=https://github.com/spack/spack>spack project</a> for any issues regarding the packaging.</p> <h2 id=hunter>Hunter<a class=headerlink href=#hunter title="Permanent link">¶</a></h2> <p>If you are using <a href=https://github.com/cpp-pm/hunter>hunter</a> on your project for external dependencies, then you can use the <a href=https://hunter.readthedocs.io/en/latest/packages/pkg/nlohmann_json.html>nlohmann_json package</a>. Please see the hunter project for any issues regarding the packaging.</p> <h2 id=buckaroo>Buckaroo<a class=headerlink href=#buckaroo title="Permanent link">¶</a></h2> <p>If you are using <a href=https://buckaroo.pm>Buckaroo</a>, you can install this library's module with <code>buckaroo add github.com/buckaroo-pm/nlohmann-json</code>. Please file issues <a href=https://github.com/buckaroo-pm/nlohmann-json>here</a>. There is a demo repo <a href=https://github.com/njlr/buckaroo-nholmann-json-example>here</a>.</p> <h2 id=vcpkg>vcpkg<a class=headerlink href=#vcpkg title="Permanent link">¶</a></h2> <p>If you are using <a href=https://github.com/Microsoft/vcpkg/ >vcpkg</a> on your project for external dependencies, then you can install the <a href=https://github.com/Microsoft/vcpkg/tree/master/ports/nlohmann-json>nlohmann-json package</a> with <code>vcpkg install nlohmann-json</code> and follow the then displayed descriptions. Please see the vcpkg project for any issues regarding the packaging.</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>CMakeLists.txt</span><pre><span></span><code><span class=nb>project</span><span class=p>(</span><span class=s>json_example</span><span class=p>)</span>
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<span class=nb>cmake_minimum_required</span><span class=p>(</span><span class=s>VERSION</span><span class=w> </span><span class=s>2.8.12</span><span class=p>)</span>
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</code></pre></div> <div class=highlight><span class=filename>CMakeLists.txt</span><pre><span></span><code><span class=nb>cmake_minimum_required</span><span class=p>(</span><span class=s>VERSION</span><span class=w> </span><span class=s>3.15</span><span class=p>)</span>
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<span class=nb>project</span><span class=p>(</span><span class=s>json_example</span><span class=p>)</span>
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<span class=nb>find_package</span><span class=p>(</span><span class=s>nlohmann_json</span><span class=w> </span><span class=s>CONFIG</span><span class=w> </span><span class=s>REQUIRED</span><span class=p>)</span>
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<span class=nb>add_executable</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>example.cpp</span><span class=p>)</span>
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<span class=nb>target_link_libraries</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>PRIVATE</span><span class=w> </span><span class=s>nlohmann_json::nlohmann_json</span><span class=p>)</span>
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</code></pre></div> </li> <li> <p>Install the package:</p> <div class=highlight><pre><span></span><code>brew<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> </li> <li> <p>Compile the code and pass the Homebrew prefix to CMake to find installed packages via <code class=highlight><span class=err>find_package</span></code>:</p> <div class=highlight><pre><span></span><code><span class=nv>CMAKE_PREFIX_PATH</span><span class=o>=</span><span class=k>$(</span>brew<span class=w> </span>--prefix<span class=k>)</span><span class=w> </span>cmake<span class=w> </span>-S<span class=w> </span>.<span class=w> </span>-B<span class=w> </span>build
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cmake<span class=w> </span>--build<span class=w> </span>build
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</code></pre></div> </li> </ol> </details> <h2 id=meson>Meson<a class=headerlink href=#meson title="Permanent link">¶</a></h2> <div class="admonition abstract"> <p class=admonition-title>Summary</p> <p>wrap: <strong><code>nlohmann_json</code></strong></p> <ul> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M7.75 6.5a1.25 1.25 0 1 0 0 2.5 1.25 1.25 0 0 0 0-2.5"/><path d="M2.5 1h8.44a1.5 1.5 0 0 1 1.06.44l10.25 10.25a1.5 1.5 0 0 1 0 2.12l-8.44 8.44a1.5 1.5 0 0 1-2.12 0L1.44 12A1.5 1.5 0 0 1 1 10.94V2.5A1.5 1.5 0 0 1 2.5 1m0 1.5v8.44l10.25 10.25 8.44-8.44L10.94 2.5Z"/></svg></span> Availalbe versions: current version and select older versions (see <a href=https://mesonbuild.com/Wrapdb-projects.html>WrapDB</a>)</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.322.75h1.176a1.75 1.75 0 0 1 1.75 1.749v1.177a10.75 10.75 0 0 1-2.925 7.374l-1.228 1.304a24 24 0 0 1-1.596 1.542v5.038c0 .615-.323 1.184-.85 1.5l-4.514 2.709a.75.75 0 0 1-1.12-.488l-.963-4.572a1.3 1.3 0 0 1-.14-.129L8.04 15.96l-1.994-1.873a1.3 1.3 0 0 1-.129-.14l-4.571-.963a.75.75 0 0 1-.49-1.12l2.71-4.514c.316-.527.885-.85 1.5-.85h5.037a24 24 0 0 1 1.542-1.594l1.304-1.23A10.75 10.75 0 0 1 20.321.75Zm-6.344 4.018v-.001l-1.304 1.23a22.3 22.3 0 0 0-3.255 3.851l-2.193 3.29 1.859 1.744.034.034 1.743 1.858 3.288-2.192a22.3 22.3 0 0 0 3.854-3.257l1.228-1.303a9.25 9.25 0 0 0 2.517-6.346V2.5a.25.25 0 0 0-.25-.25h-1.177a9.25 9.25 0 0 0-6.344 2.518M6.5 21c-1.209 1.209-3.901 1.445-4.743 1.49a.24.24 0 0 1-.18-.067.24.24 0 0 1-.067-.18c.045-.842.281-3.534 1.49-4.743.9-.9 2.6-.9 3.5 0s.9 2.6 0 3.5m-.592-8.588L8.17 9.017q.346-.519.717-1.017H5.066a.25.25 0 0 0-.214.121l-2.167 3.612ZM16 15.112q-.5.372-1.018.718l-3.393 2.262.678 3.223 3.612-2.167a.25.25 0 0 0 .121-.214ZM17.5 8a1.5 1.5 0 1 1-3.001-.001A1.5 1.5 0 0 1 17.5 8"/></svg></span> The package is update automatically from file <a href=https://github.com/nlohmann/json/blob/develop/meson.build><code>meson.build</code></a>.</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 3a2 2 0 0 1 2-2h9.982a2 2 0 0 1 1.414.586l4.018 4.018A2 2 0 0 1 21 7.018V21a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v18a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5V8.5h-4a2 2 0 0 1-2-2v-4Zm10 0v4a.5.5 0 0 0 .5.5h4a.5.5 0 0 0-.146-.336l-4.018-4.018A.5.5 0 0 0 15 2.5"/></svg></span> File issues at the <a href=https://github.com/nlohmann/json/issues>library issue tracker</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10.97 8.265a1.45 1.45 0 0 0-.487.57.75.75 0 0 1-1.341-.67c.2-.402.513-.826.997-1.148C10.627 6.69 11.244 6.5 12 6.5c.658 0 1.369.195 1.934.619a2.45 2.45 0 0 1 1.004 2.006c0 1.033-.513 1.72-1.027 2.215-.19.183-.399.358-.579.508l-.147.123a4 4 0 0 0-.435.409v1.37a.75.75 0 1 1-1.5 0v-1.473c0-.237.067-.504.247-.736.22-.28.486-.517.718-.714l.183-.153.001-.001c.172-.143.324-.27.47-.412.368-.355.569-.676.569-1.136a.95.95 0 0 0-.404-.806C12.766 8.118 12.384 8 12 8c-.494 0-.814.121-1.03.265M13 17a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1M2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12"/></svg></span> <a href=https://mesonbuild.com/index.html>Meson website</a></li> </ul> </div> <p>If you are using the <a href=http://mesonbuild.com>Meson Build System</a>, add this source tree as a <a href=https://mesonbuild.com/Subprojects.html#using-a-subproject>meson subproject</a>. You may also use the <code>include.zip</code> published in this project's <a href=https://github.com/nlohmann/json/releases>Releases</a> to reduce the size of the vendored source tree. Alternatively, you can get a wrap file by downloading it from <a href=https://mesonbuild.com/Wrapdb-projects.html>Meson WrapDB</a>, or simply use</p> <div class=highlight><pre><span></span><code>meson<span class=w> </span>wrap<span class=w> </span>install<span class=w> </span>nlohmann_json
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</code></pre></div> <p>Please see the Meson project for any issues regarding the packaging.</p> <p>The provided <code>meson.build</code> can also be used as an alternative to CMake for installing <code>nlohmann_json</code> system-wide in which case a pkg-config file is installed. To use it, simply have your build system require the <code>nlohmann_json</code> pkg-config dependency. In Meson, it is preferred to use the <a href=https://mesonbuild.com/Reference-manual.html#dependency><code>dependency()</code></a> object with a subproject fallback, rather than using the subproject directly.</p> <details class=example> <summary>Example: Wrap</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>meson.build</span><pre><span></span><code><span class=na>project('json_example', 'cpp',</span>
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<span class=w> </span><span class=na>version</span><span class=o>:</span><span class=w> </span><span class=s>'1.0',</span>
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<span class=w> </span><span class=na>default_options</span><span class=o>:</span><span class=w> </span><span class=s>['cpp_std=c++11']</span>
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<span class=na>)</span>
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<span class=na>dependency_json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>dependency('nlohmann_json', required: true)</span>
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<span class=na>executable('json_example',</span>
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<span class=w> </span><span class=na>sources</span><span class=o>:</span><span class=w> </span><span class=s>['example.cpp'],</span>
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<span class=w> </span><span class=na>dependencies</span><span class=o>:</span><span class=w> </span><span class=s>[dependency_json],</span>
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<span class=w> </span><span class=na>install</span><span class=o>:</span><span class=w> </span><span class=s>true</span>
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<span class=na>)</span>
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</code></pre></div> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Use the Meson WrapDB to fetch the nlohmann/json wrap:</p> <div class=highlight><pre><span></span><code>mkdir<span class=w> </span>subprojects
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meson<span class=w> </span>wrap<span class=w> </span>install<span class=w> </span>nlohmann_json
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</code></pre></div> </li> <li> <p>Build:</p> <div class=highlight><pre><span></span><code>meson<span class=w> </span>setup<span class=w> </span>build
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meson<span class=w> </span>compile<span class=w> </span>-C<span class=w> </span>build
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</code></pre></div> </li> </ol> </details> <h2 id=bazel>Bazel<a class=headerlink href=#bazel title="Permanent link">¶</a></h2> <div class="admonition abstract"> <p class=admonition-title>Summary</p> <p>use <code>http_archive</code>, <code>git_repository</code>, or <code>local_repository</code></p> <ul> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M7.75 6.5a1.25 1.25 0 1 0 0 2.5 1.25 1.25 0 0 0 0-2.5"/><path d="M2.5 1h8.44a1.5 1.5 0 0 1 1.06.44l10.25 10.25a1.5 1.5 0 0 1 0 2.12l-8.44 8.44a1.5 1.5 0 0 1-2.12 0L1.44 12A1.5 1.5 0 0 1 1 10.94V2.5A1.5 1.5 0 0 1 2.5 1m0 1.5v8.44l10.25 10.25 8.44-8.44L10.94 2.5Z"/></svg></span> Any version, as version is specified in <code>WORKSPACE</code> file</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 3a2 2 0 0 1 2-2h9.982a2 2 0 0 1 1.414.586l4.018 4.018A2 2 0 0 1 21 7.018V21a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v18a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5V8.5h-4a2 2 0 0 1-2-2v-4Zm10 0v4a.5.5 0 0 0 .5.5h4a.5.5 0 0 0-.146-.336l-4.018-4.018A.5.5 0 0 0 15 2.5"/></svg></span> File issues at the <a href=https://github.com/nlohmann/json/issues>library issue tracker</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10.97 8.265a1.45 1.45 0 0 0-.487.57.75.75 0 0 1-1.341-.67c.2-.402.513-.826.997-1.148C10.627 6.69 11.244 6.5 12 6.5c.658 0 1.369.195 1.934.619a2.45 2.45 0 0 1 1.004 2.006c0 1.033-.513 1.72-1.027 2.215-.19.183-.399.358-.579.508l-.147.123a4 4 0 0 0-.435.409v1.37a.75.75 0 1 1-1.5 0v-1.473c0-.237.067-.504.247-.736.22-.28.486-.517.718-.714l.183-.153.001-.001c.172-.143.324-.27.47-.412.368-.355.569-.676.569-1.136a.95.95 0 0 0-.404-.806C12.766 8.118 12.384 8 12 8c-.494 0-.814.121-1.03.265M13 17a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1M2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12"/></svg></span> <a href=https://bazel.build>Bazel website</a></li> </ul> </div> <p>This repository provides a <a href=https://bazel.build/ >Bazel</a> <code>WORKSPACE.bazel</code> and a corresponding <code>BUILD.bazel</code> file. Therefore, this repository can be referenced by workspace rules such as <code>http_archive</code>, <code>git_repository</code>, or <code>local_repository</code> from other Bazel workspaces. To use the library you only need to depend on the target <code>@nlohmann_json//:json</code> (e.g., via <code>deps</code> attribute).</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>BUILD</span><pre><span></span><code><span class=na>cc_binary(</span>
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<span class=w> </span><span class=na>name</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"main",</span>
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<span class=w> </span><span class=na>srcs</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>["example.cpp"],</span>
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<span class=w> </span><span class=na>deps</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>["@nlohmann_json//:json"],</span>
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<span class=na>)</span>
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</code></pre></div> <div class=highlight><span class=filename>WORKSPACE</span><pre><span></span><code><span class=na>load("@bazel_tools//tools/build_defs/repo</span><span class=o>:</span><span class=s>http.bzl", "http_archive")</span>
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<span class=na>http_archive(</span>
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<span class=w> </span><span class=na>name</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"nlohmann_json",</span>
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<span class=w> </span><span class=na>urls</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>["https://github.com/nlohmann/json/archive/refs/tags/v3.11.3.tar.gz"],</span>
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<span class=w> </span><span class=na>strip_prefix</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"json-3.11.3",</span>
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<span class=na>)</span>
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</code></pre></div> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Build and run:</p> <div class=highlight><pre><span></span><code>bazel<span class=w> </span>build<span class=w> </span>//:main
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bazel<span class=w> </span>run<span class=w> </span>//:main
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</code></pre></div> </li> </ol> </details> <h2 id=conan>Conan<a class=headerlink href=#conan title="Permanent link">¶</a></h2> <div class="admonition abstract"> <p class=admonition-title>Summary</p> <p>recipe: <a href=https://conan.io/center/recipes/nlohmann_json><strong><code>nlohmann_json</code></strong></a></p> <ul> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M7.75 6.5a1.25 1.25 0 1 0 0 2.5 1.25 1.25 0 0 0 0-2.5"/><path d="M2.5 1h8.44a1.5 1.5 0 0 1 1.06.44l10.25 10.25a1.5 1.5 0 0 1 0 2.12l-8.44 8.44a1.5 1.5 0 0 1-2.12 0L1.44 12A1.5 1.5 0 0 1 1 10.94V2.5A1.5 1.5 0 0 1 2.5 1m0 1.5v8.44l10.25 10.25 8.44-8.44L10.94 2.5Z"/></svg></span> Availalbe versions: current version and older versions (see <a href=https://conan.io/center/recipes/nlohmann_json>Conan Center</a>)</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.322.75h1.176a1.75 1.75 0 0 1 1.75 1.749v1.177a10.75 10.75 0 0 1-2.925 7.374l-1.228 1.304a24 24 0 0 1-1.596 1.542v5.038c0 .615-.323 1.184-.85 1.5l-4.514 2.709a.75.75 0 0 1-1.12-.488l-.963-4.572a1.3 1.3 0 0 1-.14-.129L8.04 15.96l-1.994-1.873a1.3 1.3 0 0 1-.129-.14l-4.571-.963a.75.75 0 0 1-.49-1.12l2.71-4.514c.316-.527.885-.85 1.5-.85h5.037a24 24 0 0 1 1.542-1.594l1.304-1.23A10.75 10.75 0 0 1 20.321.75Zm-6.344 4.018v-.001l-1.304 1.23a22.3 22.3 0 0 0-3.255 3.851l-2.193 3.29 1.859 1.744.034.034 1.743 1.858 3.288-2.192a22.3 22.3 0 0 0 3.854-3.257l1.228-1.303a9.25 9.25 0 0 0 2.517-6.346V2.5a.25.25 0 0 0-.25-.25h-1.177a9.25 9.25 0 0 0-6.344 2.518M6.5 21c-1.209 1.209-3.901 1.445-4.743 1.49a.24.24 0 0 1-.18-.067.24.24 0 0 1-.067-.18c.045-.842.281-3.534 1.49-4.743.9-.9 2.6-.9 3.5 0s.9 2.6 0 3.5m-.592-8.588L8.17 9.017q.346-.519.717-1.017H5.066a.25.25 0 0 0-.214.121l-2.167 3.612ZM16 15.112q-.5.372-1.018.718l-3.393 2.262.678 3.223 3.612-2.167a.25.25 0 0 0 .121-.214ZM17.5 8a1.5 1.5 0 1 1-3.001-.001A1.5 1.5 0 0 1 17.5 8"/></svg></span> The package is update automatically via <a href=https://github.com/conan-io/conan-center-index/tree/master/recipes/nlohmann_json>this recipe</a>.</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 3a2 2 0 0 1 2-2h9.982a2 2 0 0 1 1.414.586l4.018 4.018A2 2 0 0 1 21 7.018V21a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v18a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5V8.5h-4a2 2 0 0 1-2-2v-4Zm10 0v4a.5.5 0 0 0 .5.5h4a.5.5 0 0 0-.146-.336l-4.018-4.018A.5.5 0 0 0 15 2.5"/></svg></span> File issues at the <a href=https://github.com/conan-io/conan-center-index/issues>Conan Center issue tracker</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10.97 8.265a1.45 1.45 0 0 0-.487.57.75.75 0 0 1-1.341-.67c.2-.402.513-.826.997-1.148C10.627 6.69 11.244 6.5 12 6.5c.658 0 1.369.195 1.934.619a2.45 2.45 0 0 1 1.004 2.006c0 1.033-.513 1.72-1.027 2.215-.19.183-.399.358-.579.508l-.147.123a4 4 0 0 0-.435.409v1.37a.75.75 0 1 1-1.5 0v-1.473c0-.237.067-.504.247-.736.22-.28.486-.517.718-.714l.183-.153.001-.001c.172-.143.324-.27.47-.412.368-.355.569-.676.569-1.136a.95.95 0 0 0-.404-.806C12.766 8.118 12.384 8 12 8c-.494 0-.814.121-1.03.265M13 17a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1M2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12"/></svg></span> <a href=https://conan.io>Conan website</a></li> </ul> </div> <p>If you are using <a href=https://www.conan.io/ >Conan</a> to manage your dependencies, merely add <code>nlohmann_json/x.y.z</code> to your <code>conanfile</code>'s requires, where <code>x.y.z</code> is the release version you want to use.</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>Conanfile.txt</span><pre><span></span><code><span class=k>[requires]</span>
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<span class=na>nlohmann_json/3.11.3</span>
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<span class=k>[generators]</span>
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<span class=na>CMakeToolchain</span>
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<span class=na>CMakeDeps</span>
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</code></pre></div> <div class=highlight><span class=filename>CMakeLists.txt</span><pre><span></span><code><span class=nb>cmake_minimum_required</span><span class=p>(</span><span class=s>VERSION</span><span class=w> </span><span class=s>3.15</span><span class=p>)</span>
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<span class=nb>project</span><span class=p>(</span><span class=s>json_example</span><span class=p>)</span>
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<span class=nb>find_package</span><span class=p>(</span><span class=s>nlohmann_json</span><span class=w> </span><span class=s>REQUIRED</span><span class=p>)</span>
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<span class=nb>add_executable</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>example.cpp</span><span class=p>)</span>
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<span class=nb>target_link_libraries</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>PRIVATE</span><span class=w> </span><span class=s>nlohmann_json::nlohmann_json</span><span class=p>)</span>
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</code></pre></div> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Call Conan:</p> <div class=highlight><pre><span></span><code>conan<span class=w> </span>install<span class=w> </span>.<span class=w> </span>--output-folder<span class=o>=</span>build<span class=w> </span>--build<span class=o>=</span>missing
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</code></pre></div> </li> <li> <p>Build:</p> <div class=highlight><pre><span></span><code>cmake<span class=w> </span>-S<span class=w> </span>.<span class=w> </span>-B<span class=w> </span>build<span class=w> </span>-DCMAKE_TOOLCHAIN_FILE<span class=o>=</span><span class=s2>"conan_toolchain.cmake"</span><span class=w> </span>-DCMAKE_BUILD_TYPE<span class=o>=</span>Release
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cmake<span class=w> </span>--build<span class=w> </span>build
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</code></pre></div> </li> </ol> </details> <h2 id=spack>Spack<a class=headerlink href=#spack title="Permanent link">¶</a></h2> <div class="admonition abstract"> <p class=admonition-title>Summary</p> <p>package: <a href="https://packages.spack.io/package.html?name=nlohmann-json"><strong><code>nlohmann-json</code></strong></a></p> <ul> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M7.75 6.5a1.25 1.25 0 1 0 0 2.5 1.25 1.25 0 0 0 0-2.5"/><path d="M2.5 1h8.44a1.5 1.5 0 0 1 1.06.44l10.25 10.25a1.5 1.5 0 0 1 0 2.12l-8.44 8.44a1.5 1.5 0 0 1-2.12 0L1.44 12A1.5 1.5 0 0 1 1 10.94V2.5A1.5 1.5 0 0 1 2.5 1m0 1.5v8.44l10.25 10.25 8.44-8.44L10.94 2.5Z"/></svg></span> Availalbe versions: current version and older versions (see <a href="https://packages.spack.io/package.html?name=nlohmann-json">Spack package</a>)</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.322.75h1.176a1.75 1.75 0 0 1 1.75 1.749v1.177a10.75 10.75 0 0 1-2.925 7.374l-1.228 1.304a24 24 0 0 1-1.596 1.542v5.038c0 .615-.323 1.184-.85 1.5l-4.514 2.709a.75.75 0 0 1-1.12-.488l-.963-4.572a1.3 1.3 0 0 1-.14-.129L8.04 15.96l-1.994-1.873a1.3 1.3 0 0 1-.129-.14l-4.571-.963a.75.75 0 0 1-.49-1.12l2.71-4.514c.316-.527.885-.85 1.5-.85h5.037a24 24 0 0 1 1.542-1.594l1.304-1.23A10.75 10.75 0 0 1 20.321.75Zm-6.344 4.018v-.001l-1.304 1.23a22.3 22.3 0 0 0-3.255 3.851l-2.193 3.29 1.859 1.744.034.034 1.743 1.858 3.288-2.192a22.3 22.3 0 0 0 3.854-3.257l1.228-1.303a9.25 9.25 0 0 0 2.517-6.346V2.5a.25.25 0 0 0-.25-.25h-1.177a9.25 9.25 0 0 0-6.344 2.518M6.5 21c-1.209 1.209-3.901 1.445-4.743 1.49a.24.24 0 0 1-.18-.067.24.24 0 0 1-.067-.18c.045-.842.281-3.534 1.49-4.743.9-.9 2.6-.9 3.5 0s.9 2.6 0 3.5m-.592-8.588L8.17 9.017q.346-.519.717-1.017H5.066a.25.25 0 0 0-.214.121l-2.167 3.612ZM16 15.112q-.5.372-1.018.718l-3.393 2.262.678 3.223 3.612-2.167a.25.25 0 0 0 .121-.214ZM17.5 8a1.5 1.5 0 1 1-3.001-.001A1.5 1.5 0 0 1 17.5 8"/></svg></span> The formula is updated with every release.</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 2.5a5.5 5.5 0 0 1 3.096 10.047 9.005 9.005 0 0 1 5.9 8.181.75.75 0 1 1-1.499.044 7.5 7.5 0 0 0-14.993 0 .75.75 0 0 1-1.5-.045 9.005 9.005 0 0 1 5.9-8.18A5.5 5.5 0 0 1 12 2.5M8 8a4 4 0 1 0 8 0 4 4 0 0 0-8 0"/></svg></span> Maintainer: <a href=https://github.com/ax3l>Axel Huebl</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 3a2 2 0 0 1 2-2h9.982a2 2 0 0 1 1.414.586l4.018 4.018A2 2 0 0 1 21 7.018V21a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v18a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5V8.5h-4a2 2 0 0 1-2-2v-4Zm10 0v4a.5.5 0 0 0 .5.5h4a.5.5 0 0 0-.146-.336l-4.018-4.018A.5.5 0 0 0 15 2.5"/></svg></span> File issues at the <a href=https://github.com/spack/spack/issues>Spack issue tracker</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10.97 8.265a1.45 1.45 0 0 0-.487.57.75.75 0 0 1-1.341-.67c.2-.402.513-.826.997-1.148C10.627 6.69 11.244 6.5 12 6.5c.658 0 1.369.195 1.934.619a2.45 2.45 0 0 1 1.004 2.006c0 1.033-.513 1.72-1.027 2.215-.19.183-.399.358-.579.508l-.147.123a4 4 0 0 0-.435.409v1.37a.75.75 0 1 1-1.5 0v-1.473c0-.237.067-.504.247-.736.22-.28.486-.517.718-.714l.183-.153.001-.001c.172-.143.324-.27.47-.412.368-.355.569-.676.569-1.136a.95.95 0 0 0-.404-.806C12.766 8.118 12.384 8 12 8c-.494 0-.814.121-1.03.265M13 17a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1M2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12"/></svg></span> <a href=https://spack.io>Spack website</a></li> </ul> </div> <p>If you are using <a href=https://www.spack.io/ >Spack</a> to manage your dependencies, you can use the <a href="https://packages.spack.io/package.html?name=nlohmann-json"><code>nlohmann-json</code> package</a> via</p> <div class=highlight><pre><span></span><code>spack<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> <p>Please see the <a href=https://github.com/spack/spack>Spack project</a> for any issues regarding the packaging.</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>CMakeLists.txt</span><pre><span></span><code><span class=nb>cmake_minimum_required</span><span class=p>(</span><span class=s>VERSION</span><span class=w> </span><span class=s>3.15</span><span class=p>)</span>
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<span class=nb>project</span><span class=p>(</span><span class=s>json_example</span><span class=p>)</span>
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<span class=nb>find_package</span><span class=p>(</span><span class=s>nlohmann_json</span><span class=w> </span><span class=s>REQUIRED</span><span class=p>)</span>
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<span class=nb>add_executable</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>example.cpp</span><span class=p>)</span>
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<span class=nb>target_link_libraries</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>PRIVATE</span><span class=w> </span><span class=s>nlohmann_json::nlohmann_json</span><span class=p>)</span>
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</code></pre></div> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Install the library:</p> <div class=highlight><pre><span></span><code>spack<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> </li> <li> <p>Load the environment for your Spack-installed packages:</p> <div class=highlight><pre><span></span><code>spack<span class=w> </span>load<span class=w> </span>nlohmann-json
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</code></pre></div> </li> <li> <p>Build the project with CMake:</p> <div class=highlight><pre><span></span><code>cmake<span class=w> </span>-S<span class=w> </span>.<span class=w> </span>-B<span class=w> </span>build<span class=w> </span>-DCMAKE_PREFIX_PATH<span class=o>=</span><span class=k>$(</span>spack<span class=w> </span>location<span class=w> </span>-i<span class=w> </span>nlohmann-json<span class=k>)</span>
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cmake<span class=w> </span>--build<span class=w> </span>build
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</code></pre></div> </li> </ol> </details> <h2 id=hunter>Hunter<a class=headerlink href=#hunter title="Permanent link">¶</a></h2> <div class="admonition abstract"> <p class=admonition-title>Summary</p> <p>package: <a href=https://hunter.readthedocs.io/en/latest/packages/pkg/nlohmann_json.html><strong><code>nlohmann_json</code></strong></a></p> <ul> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M7.75 6.5a1.25 1.25 0 1 0 0 2.5 1.25 1.25 0 0 0 0-2.5"/><path d="M2.5 1h8.44a1.5 1.5 0 0 1 1.06.44l10.25 10.25a1.5 1.5 0 0 1 0 2.12l-8.44 8.44a1.5 1.5 0 0 1-2.12 0L1.44 12A1.5 1.5 0 0 1 1 10.94V2.5A1.5 1.5 0 0 1 2.5 1m0 1.5v8.44l10.25 10.25 8.44-8.44L10.94 2.5Z"/></svg></span> Availalbe versions: current version and older versions (see <a href=https://hunter.readthedocs.io/en/latest/packages/pkg/nlohmann_json.html>Hunter package</a>)</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.322.75h1.176a1.75 1.75 0 0 1 1.75 1.749v1.177a10.75 10.75 0 0 1-2.925 7.374l-1.228 1.304a24 24 0 0 1-1.596 1.542v5.038c0 .615-.323 1.184-.85 1.5l-4.514 2.709a.75.75 0 0 1-1.12-.488l-.963-4.572a1.3 1.3 0 0 1-.14-.129L8.04 15.96l-1.994-1.873a1.3 1.3 0 0 1-.129-.14l-4.571-.963a.75.75 0 0 1-.49-1.12l2.71-4.514c.316-.527.885-.85 1.5-.85h5.037a24 24 0 0 1 1.542-1.594l1.304-1.23A10.75 10.75 0 0 1 20.321.75Zm-6.344 4.018v-.001l-1.304 1.23a22.3 22.3 0 0 0-3.255 3.851l-2.193 3.29 1.859 1.744.034.034 1.743 1.858 3.288-2.192a22.3 22.3 0 0 0 3.854-3.257l1.228-1.303a9.25 9.25 0 0 0 2.517-6.346V2.5a.25.25 0 0 0-.25-.25h-1.177a9.25 9.25 0 0 0-6.344 2.518M6.5 21c-1.209 1.209-3.901 1.445-4.743 1.49a.24.24 0 0 1-.18-.067.24.24 0 0 1-.067-.18c.045-.842.281-3.534 1.49-4.743.9-.9 2.6-.9 3.5 0s.9 2.6 0 3.5m-.592-8.588L8.17 9.017q.346-.519.717-1.017H5.066a.25.25 0 0 0-.214.121l-2.167 3.612ZM16 15.112q-.5.372-1.018.718l-3.393 2.262.678 3.223 3.612-2.167a.25.25 0 0 0 .121-.214ZM17.5 8a1.5 1.5 0 1 1-3.001-.001A1.5 1.5 0 0 1 17.5 8"/></svg></span> The formula is updated with every release.</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 3a2 2 0 0 1 2-2h9.982a2 2 0 0 1 1.414.586l4.018 4.018A2 2 0 0 1 21 7.018V21a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v18a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5V8.5h-4a2 2 0 0 1-2-2v-4Zm10 0v4a.5.5 0 0 0 .5.5h4a.5.5 0 0 0-.146-.336l-4.018-4.018A.5.5 0 0 0 15 2.5"/></svg></span> File issues at the <a href=https://github.com/cpp-pm/hunter/issues>Hunter issue tracker</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10.97 8.265a1.45 1.45 0 0 0-.487.57.75.75 0 0 1-1.341-.67c.2-.402.513-.826.997-1.148C10.627 6.69 11.244 6.5 12 6.5c.658 0 1.369.195 1.934.619a2.45 2.45 0 0 1 1.004 2.006c0 1.033-.513 1.72-1.027 2.215-.19.183-.399.358-.579.508l-.147.123a4 4 0 0 0-.435.409v1.37a.75.75 0 1 1-1.5 0v-1.473c0-.237.067-.504.247-.736.22-.28.486-.517.718-.714l.183-.153.001-.001c.172-.143.324-.27.47-.412.368-.355.569-.676.569-1.136a.95.95 0 0 0-.404-.806C12.766 8.118 12.384 8 12 8c-.494 0-.814.121-1.03.265M13 17a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1M2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12"/></svg></span> <a href=https://hunter.readthedocs.io/en/latest/ >Hunter website</a></li> </ul> </div> <p>If you are using <a href=https://github.com/cpp-pm/hunter>Hunter</a> on your project for external dependencies, then you can use the <a href=https://hunter.readthedocs.io/en/latest/packages/pkg/nlohmann_json.html>nlohmann_json package</a> via</p> <div class=highlight><pre><span></span><code><span class=nb>hunter_add_package</span><span class=p>(</span><span class=s>nlohmann_json</span><span class=p>)</span>
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</code></pre></div> <p>Please see the Hunter project for any issues regarding the packaging.</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>CMakeLists.txt</span><pre><span></span><code><span class=nb>cmake_minimum_required</span><span class=p>(</span><span class=s>VERSION</span><span class=w> </span><span class=s>3.15</span><span class=p>)</span>
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<span class=nb>include</span><span class=p>(</span><span class=s2>"cmake/HunterGate.cmake"</span><span class=p>)</span>
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<span class=nb>HunterGate</span><span class=p>(</span>
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<span class=w> </span><span class=s>URL</span><span class=w> </span><span class=s2>"https://github.com/cpp-pm/hunter/archive/v0.23.297.tar.gz"</span>
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<span class=w> </span><span class=s>SHA1</span><span class=w> </span><span class=s2>"3319fe6a3b08090df7df98dee75134d68e2ef5a3"</span>
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<span class=p>)</span>
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<span class=nb>project</span><span class=p>(</span><span class=s>json_example</span><span class=p>)</span>
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<span class=nb>hunter_add_package</span><span class=p>(</span><span class=s>nlohmann_json</span><span class=p>)</span>
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<span class=nb>find_package</span><span class=p>(</span><span class=s>nlohmann_json</span><span class=w> </span><span class=s>CONFIG</span><span class=w> </span><span class=s>REQUIRED</span><span class=p>)</span>
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<span class=nb>add_executable</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>example.cpp</span><span class=p>)</span>
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<span class=nb>target_link_libraries</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>PRIVATE</span><span class=w> </span><span class=s>nlohmann_json::nlohmann_json</span><span class=p>)</span>
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</code></pre></div> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Download required files</p> <div class=highlight><pre><span></span><code>mkdir<span class=w> </span>cmake
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wget<span class=w> </span>https://raw.githubusercontent.com/cpp-pm/gate/master/cmake/HunterGate.cmake<span class=w> </span>-O<span class=w> </span>cmake/HunterGate.cmake
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</code></pre></div> </li> <li> <p>Build the project with CMake:</p> <div class=highlight><pre><span></span><code>cmake<span class=w> </span>-S<span class=w> </span>.<span class=w> </span>-B<span class=w> </span>build
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cmake<span class=w> </span>--build<span class=w> </span>build
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</code></pre></div> </li> </ol> </details> <h2 id=buckaroo>Buckaroo<a class=headerlink href=#buckaroo title="Permanent link">¶</a></h2> <p>If you are using <a href=https://buckaroo.pm>Buckaroo</a>, you can install this library's module with <code>buckaroo add github.com/buckaroo-pm/nlohmann-json</code>. There is a demo repo <a href=https://github.com/njlr/buckaroo-nholmann-json-example>here</a>.</p> <div class="admonition warning"> <p class=admonition-title>Warning</p> <p>The module is outdated as the respective <a href=https://github.com/buckaroo-pm/nlohmann-json>repository</a> has not been updated in years.</p> </div> <h2 id=vcpkg>vcpkg<a class=headerlink href=#vcpkg title="Permanent link">¶</a></h2> <div class="admonition abstract"> <p class=admonition-title>Summary</p> <p>package: <a href=https://github.com/Microsoft/vcpkg/tree/master/ports/nlohmann-json><strong><code>nlohmann-json</code></strong></a></p> <ul> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M7.75 6.5a1.25 1.25 0 1 0 0 2.5 1.25 1.25 0 0 0 0-2.5"/><path d="M2.5 1h8.44a1.5 1.5 0 0 1 1.06.44l10.25 10.25a1.5 1.5 0 0 1 0 2.12l-8.44 8.44a1.5 1.5 0 0 1-2.12 0L1.44 12A1.5 1.5 0 0 1 1 10.94V2.5A1.5 1.5 0 0 1 2.5 1m0 1.5v8.44l10.25 10.25 8.44-8.44L10.94 2.5Z"/></svg></span> Availalbe versions: current version</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.322.75h1.176a1.75 1.75 0 0 1 1.75 1.749v1.177a10.75 10.75 0 0 1-2.925 7.374l-1.228 1.304a24 24 0 0 1-1.596 1.542v5.038c0 .615-.323 1.184-.85 1.5l-4.514 2.709a.75.75 0 0 1-1.12-.488l-.963-4.572a1.3 1.3 0 0 1-.14-.129L8.04 15.96l-1.994-1.873a1.3 1.3 0 0 1-.129-.14l-4.571-.963a.75.75 0 0 1-.49-1.12l2.71-4.514c.316-.527.885-.85 1.5-.85h5.037a24 24 0 0 1 1.542-1.594l1.304-1.23A10.75 10.75 0 0 1 20.321.75Zm-6.344 4.018v-.001l-1.304 1.23a22.3 22.3 0 0 0-3.255 3.851l-2.193 3.29 1.859 1.744.034.034 1.743 1.858 3.288-2.192a22.3 22.3 0 0 0 3.854-3.257l1.228-1.303a9.25 9.25 0 0 0 2.517-6.346V2.5a.25.25 0 0 0-.25-.25h-1.177a9.25 9.25 0 0 0-6.344 2.518M6.5 21c-1.209 1.209-3.901 1.445-4.743 1.49a.24.24 0 0 1-.18-.067.24.24 0 0 1-.067-.18c.045-.842.281-3.534 1.49-4.743.9-.9 2.6-.9 3.5 0s.9 2.6 0 3.5m-.592-8.588L8.17 9.017q.346-.519.717-1.017H5.066a.25.25 0 0 0-.214.121l-2.167 3.612ZM16 15.112q-.5.372-1.018.718l-3.393 2.262.678 3.223 3.612-2.167a.25.25 0 0 0 .121-.214ZM17.5 8a1.5 1.5 0 1 1-3.001-.001A1.5 1.5 0 0 1 17.5 8"/></svg></span> The formula is updated with every release.</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 3a2 2 0 0 1 2-2h9.982a2 2 0 0 1 1.414.586l4.018 4.018A2 2 0 0 1 21 7.018V21a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v18a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5V8.5h-4a2 2 0 0 1-2-2v-4Zm10 0v4a.5.5 0 0 0 .5.5h4a.5.5 0 0 0-.146-.336l-4.018-4.018A.5.5 0 0 0 15 2.5"/></svg></span> File issues at the <a href=https://github.com/microsoft/vcpkg/issues>vcpkg issue tracker</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10.97 8.265a1.45 1.45 0 0 0-.487.57.75.75 0 0 1-1.341-.67c.2-.402.513-.826.997-1.148C10.627 6.69 11.244 6.5 12 6.5c.658 0 1.369.195 1.934.619a2.45 2.45 0 0 1 1.004 2.006c0 1.033-.513 1.72-1.027 2.215-.19.183-.399.358-.579.508l-.147.123a4 4 0 0 0-.435.409v1.37a.75.75 0 1 1-1.5 0v-1.473c0-.237.067-.504.247-.736.22-.28.486-.517.718-.714l.183-.153.001-.001c.172-.143.324-.27.47-.412.368-.355.569-.676.569-1.136a.95.95 0 0 0-.404-.806C12.766 8.118 12.384 8 12 8c-.494 0-.814.121-1.03.265M13 17a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1M2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12"/></svg></span> <a href=https://vcpkg.io/ >vcpkg website</a></li> </ul> </div> <p>If you are using <a href=https://github.com/Microsoft/vcpkg/ >vcpkg</a> on your project for external dependencies, then you can install the <a href=https://github.com/Microsoft/vcpkg/tree/master/ports/nlohmann-json>nlohmann-json package</a> with</p> <div class=highlight><pre><span></span><code>vcpkg<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> <p>and follow the then displayed descriptions. Please see the vcpkg project for any issues regarding the packaging.</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>CMakeLists.txt</span><pre><span></span><code><span class=nb>cmake_minimum_required</span><span class=p>(</span><span class=s>VERSION</span><span class=w> </span><span class=s>3.15</span><span class=p>)</span>
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<span class=nb>project</span><span class=p>(</span><span class=s>json_example</span><span class=p>)</span>
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<span class=nb>find_package</span><span class=p>(</span><span class=s>nlohmann_json</span><span class=w> </span><span class=s>CONFIG</span><span class=w> </span><span class=s>REQUIRED</span><span class=p>)</span>
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@@ -77,20 +197,42 @@ cmake<span class=w> </span>--build<span class=w> </span>.
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<span class=nb>target_link_libraries</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>PRIVATE</span><span class=w> </span><span class=s>nlohmann_json::nlohmann_json</span><span class=p>)</span>
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</code></pre></div> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Install package:</p> <div class=highlight><pre><span></span><code>vcpkg<span class=w> </span>install<span class=w> </span>nlohmann-json
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</code></pre></div> </li> <li> <p>Build:</p> <div class=highlight><pre><span></span><code>mkdir<span class=w> </span>build
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<span class=nb>cd</span><span class=w> </span>build
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cmake<span class=w> </span>..<span class=w> </span>-DCMAKE_TOOLCHAIN_FILE<span class=o>=</span>/path/to/vcpkg/scripts/buildsystems/vcpkg.cmake
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cmake<span class=w> </span>--build<span class=w> </span>.
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</code></pre></div> </li> </ol> <p>Note you need to adjust <code>/path/to/vcpkg/scripts/buildsystems/vcpkg.cmake</code> to your system.</p> </details> <h2 id=cget>cget<a class=headerlink href=#cget title="Permanent link">¶</a></h2> <p>If you are using <a href=http://cget.readthedocs.io/en/latest/ >cget</a>, you can install the latest development version with <code>cget install nlohmann/json</code>. A specific version can be installed with <code>cget install nlohmann/json@v3.1.0</code>. Also, the multiple header version can be installed by adding the <code>-DJSON_MultipleHeaders=ON</code> flag (i.e., <code>cget install nlohmann/json -DJSON_MultipleHeaders=ON</code>).</p> <p><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1a6.887 6.887 0 0 0 0 9.8c2.73 2.7 7.15 2.7 9.88 0 1.36-1.35 2.04-2.92 2.04-4.9h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58a8.987 8.987 0 0 1 12.65 0L21 3v7.12M12.5 8v4.25l3.5 2.08-.72 1.21L11 13V8h1.5Z"/></svg></span> cget reads directly from the <a href=https://github.com/nlohmann/json>GitHub repository</a> and is always up-to-date.</p> <h2 id=cocoapods>CocoaPods<a class=headerlink href=#cocoapods title="Permanent link">¶</a></h2> <p>If you are using <a href=https://cocoapods.org>CocoaPods</a>, you can use the library by adding pod <code>"nlohmann_json", '~>3.1.2'</code> to your podfile (see <a href=https://bitbucket.org/benman/nlohmann_json-cocoapod/src/master/ >an example</a>). Please file issues <a href="https://bitbucket.org/benman/nlohmann_json-cocoapod/issues?status=new&status=open">here</a>.</p> <h2 id=nuget>NuGet<a class=headerlink href=#nuget title="Permanent link">¶</a></h2> <p>If you are using <a href=https://www.nuget.org>NuGet</a>, you can use the package <a href=https://www.nuget.org/packages/nlohmann.json/ >nlohmann.json</a>. Please check <a href=https://github.com/nlohmann/json/issues/1132#issuecomment-452250255>this extensive description</a> on how to use the package. Please file issues <a href=https://github.com/hnkb/nlohmann-json-nuget/issues>here</a>.</p> <h2 id=conda>Conda<a class=headerlink href=#conda title="Permanent link">¶</a></h2> <p>If you are using <a href=https://conda.io/ >conda</a>, you can use the package <a href=https://github.com/conda-forge/nlohmann_json-feedstock>nlohmann_json</a> from <a href=https://conda-forge.org>conda-forge</a> executing <code>conda install -c conda-forge nlohmann_json</code>. Please file issues <a href=https://github.com/conda-forge/nlohmann_json-feedstock/issues>here</a>.</p> <h2 id=msys2>MSYS2<a class=headerlink href=#msys2 title="Permanent link">¶</a></h2> <p>If you are using <a href=http://www.msys2.org/ >MSYS2</a>, you can use the <a href=https://packages.msys2.org/base/mingw-w64-nlohmann-json>mingw-w64-nlohmann-json</a> package, just type <code>pacman -S mingw-w64-i686-nlohmann-json</code> or <code>pacman -S mingw-w64-x86_64-nlohmann-json</code> for installation. Please file issues <a href="https://github.com/msys2/MINGW-packages/issues/new?title=%5Bnlohmann-json%5D">here</a> if you experience problems with the packages.</p> <p><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1a6.887 6.887 0 0 0 0 9.8c2.73 2.7 7.15 2.7 9.88 0 1.36-1.35 2.04-2.92 2.04-4.9h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58a8.987 8.987 0 0 1 12.65 0L21 3v7.12M12.5 8v4.25l3.5 2.08-.72 1.21L11 13V8h1.5Z"/></svg></span> The <a href=https://packages.msys2.org/base/mingw-w64-nlohmann-json>package</a> is updated automatically.</p> <h2 id=macports>MacPorts<a class=headerlink href=#macports title="Permanent link">¶</a></h2> <p>If you are using <a href=https://ports.macports.org>MacPorts</a>, execute <code>sudo port install nlohmann-json</code> to install the <a href=https://ports.macports.org/port/nlohmann-json/ >nlohmann-json</a> package.</p> <p><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1a6.887 6.887 0 0 0 0 9.8c2.73 2.7 7.15 2.7 9.88 0 1.36-1.35 2.04-2.92 2.04-4.9h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58a8.987 8.987 0 0 1 12.65 0L21 3v7.12M12.5 8v4.25l3.5 2.08-.72 1.21L11 13V8h1.5Z"/></svg></span> The <a href=https://ports.macports.org/port/nlohmann-json/ >package</a> is updated automatically.</p> <h2 id=build2>build2<a class=headerlink href=#build2 title="Permanent link">¶</a></h2> <p>If you are using <a href=https://build2.org><code>build2</code></a>, you can use the <a href=https://cppget.org/nlohmann-json><code>nlohmann-json</code></a> package from the public repository <a href=http://cppget.org>http://cppget.org</a> or directly from the <a href=https://github.com/build2-packaging/nlohmann-json>package's sources repositorLine truncated
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<span class=w> </span><span class=s>NAME</span><span class=w> </span><span class=s>nlohmann_json</span>
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<span class=w> </span><span class=s>GITHUB_REPOSITORY</span><span class=w> </span><span class=s>nlohmann/json</span>
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<span class=w> </span><span class=s>VERSION</span><span class=w> </span><span class=s>3.9.1</span><span class=p>)</span>
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</code></pre></div> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">November 1, 2023</span> </small> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12Z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013 - 2023 Niels Lohmann </div> </div> <div class=md-social> <a href=https://github.com/nlohmann target=_blank rel=noopener title=github.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg> </a> <a href=https://twitter.com/nlohmann target=_blank rel=noopener title=twitter.com class=md-social__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 512 512"><!-- Font Awesome Free 6.4.2 by @fontawesome - 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</code></pre></div> </li> <li> <p>Build:</p> <div class=highlight><pre><span></span><code>cmake<span class=w> </span>-S<span class=w> </span>.<span class=w> </span>-B<span class=w> </span>build<span class=w> </span>-DCMAKE_TOOLCHAIN_FILE<span class=o>=</span><span class=nv>$VCPKG_ROOT</span>/scripts/buildsystems/vcpkg.cmake
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cmake<span class=w> </span>--build<span class=w> </span>build
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</code></pre></div> </li> </ol> </details> <h2 id=cget>cget<a class=headerlink href=#cget title="Permanent link">¶</a></h2> <div class="admonition abstract"> <p class=admonition-title>Summary</p> <p>package: <a href=https://github.com/pfultz2/cget-recipes/blob/master/recipes/nlohmann/json/package.txt><strong><code>nlohmann/json</code></strong></a></p> <ul> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M7.75 6.5a1.25 1.25 0 1 0 0 2.5 1.25 1.25 0 0 0 0-2.5"/><path d="M2.5 1h8.44a1.5 1.5 0 0 1 1.06.44l10.25 10.25a1.5 1.5 0 0 1 0 2.12l-8.44 8.44a1.5 1.5 0 0 1-2.12 0L1.44 12A1.5 1.5 0 0 1 1 10.94V2.5A1.5 1.5 0 0 1 2.5 1m0 1.5v8.44l10.25 10.25 8.44-8.44L10.94 2.5Z"/></svg></span> Availalbe versions: current version and older versions</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20.322.75h1.176a1.75 1.75 0 0 1 1.75 1.749v1.177a10.75 10.75 0 0 1-2.925 7.374l-1.228 1.304a24 24 0 0 1-1.596 1.542v5.038c0 .615-.323 1.184-.85 1.5l-4.514 2.709a.75.75 0 0 1-1.12-.488l-.963-4.572a1.3 1.3 0 0 1-.14-.129L8.04 15.96l-1.994-1.873a1.3 1.3 0 0 1-.129-.14l-4.571-.963a.75.75 0 0 1-.49-1.12l2.71-4.514c.316-.527.885-.85 1.5-.85h5.037a24 24 0 0 1 1.542-1.594l1.304-1.23A10.75 10.75 0 0 1 20.321.75Zm-6.344 4.018v-.001l-1.304 1.23a22.3 22.3 0 0 0-3.255 3.851l-2.193 3.29 1.859 1.744.034.034 1.743 1.858 3.288-2.192a22.3 22.3 0 0 0 3.854-3.257l1.228-1.303a9.25 9.25 0 0 0 2.517-6.346V2.5a.25.25 0 0 0-.25-.25h-1.177a9.25 9.25 0 0 0-6.344 2.518M6.5 21c-1.209 1.209-3.901 1.445-4.743 1.49a.24.24 0 0 1-.18-.067.24.24 0 0 1-.067-.18c.045-.842.281-3.534 1.49-4.743.9-.9 2.6-.9 3.5 0s.9 2.6 0 3.5m-.592-8.588L8.17 9.017q.346-.519.717-1.017H5.066a.25.25 0 0 0-.214.121l-2.167 3.612ZM16 15.112q-.5.372-1.018.718l-3.393 2.262.678 3.223 3.612-2.167a.25.25 0 0 0 .121-.214ZM17.5 8a1.5 1.5 0 1 1-3.001-.001A1.5 1.5 0 0 1 17.5 8"/></svg></span> The formula is updated with every release.</li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 3a2 2 0 0 1 2-2h9.982a2 2 0 0 1 1.414.586l4.018 4.018A2 2 0 0 1 21 7.018V21a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v18a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5V8.5h-4a2 2 0 0 1-2-2v-4Zm10 0v4a.5.5 0 0 0 .5.5h4a.5.5 0 0 0-.146-.336l-4.018-4.018A.5.5 0 0 0 15 2.5"/></svg></span> File issues at the <a href=https://github.com/pfultz2/cget-recipes/issues>cget issue tracker</a></li> <li><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10.97 8.265a1.45 1.45 0 0 0-.487.57.75.75 0 0 1-1.341-.67c.2-.402.513-.826.997-1.148C10.627 6.69 11.244 6.5 12 6.5c.658 0 1.369.195 1.934.619a2.45 2.45 0 0 1 1.004 2.006c0 1.033-.513 1.72-1.027 2.215-.19.183-.399.358-.579.508l-.147.123a4 4 0 0 0-.435.409v1.37a.75.75 0 1 1-1.5 0v-1.473c0-.237.067-.504.247-.736.22-.28.486-.517.718-.714l.183-.153.001-.001c.172-.143.324-.27.47-.412.368-.355.569-.676.569-1.136a.95.95 0 0 0-.404-.806C12.766 8.118 12.384 8 12 8c-.494 0-.814.121-1.03.265M13 17a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1M2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12"/></svg></span> <a href=https://cget.readthedocs.io/ >cget website</a></li> </ul> </div> <p>If you are using <a href=http://cget.readthedocs.io/en/latest/ >cget</a>, you can install the latest <code>master</code> version with</p> <div class=highlight><pre><span></span><code>cget<span class=w> </span>install<span class=w> </span>nlohmann/json
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</code></pre></div> <p>A specific version can be installed with <code>cget install nlohmann/json@v3.11.3</code>. Also, the multiple header version can be installed by adding the <code>-DJSON_MultipleHeaders=ON</code> flag (i.e., <code>cget install nlohmann/json -DJSON_MultipleHeaders=ON</code>).</p> <details class=example> <summary>Example</summary> <ol> <li> <p>Create the following files:</p> <div class=highlight><span class=filename>CMakeLists.txt</span><pre><span></span><code><span class=nb>cmake_minimum_required</span><span class=p>(</span><span class=s>VERSION</span><span class=w> </span><span class=s>3.15</span><span class=p>)</span>
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<span class=nb>project</span><span class=p>(</span><span class=s>json_example</span><span class=p>)</span>
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<span class=nb>find_package</span><span class=p>(</span><span class=s>nlohmann_json</span><span class=w> </span><span class=s>CONFIG</span><span class=w> </span><span class=s>REQUIRED</span><span class=p>)</span>
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<span class=nb>add_executable</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>example.cpp</span><span class=p>)</span>
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<span class=nb>target_link_libraries</span><span class=p>(</span><span class=s>json_example</span><span class=w> </span><span class=s>PRIVATE</span><span class=w> </span><span class=s>nlohmann_json::nlohmann_json</span><span class=p>)</span>
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</code></pre></div> <div class=highlight><span class=filename>example.cpp</span><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><iomanip></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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<span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
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<span class=p>{</span>
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<span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>setw</span><span class=p>(</span><span class=mi>4</span><span class=p>)</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>meta</span><span class=p>()</span><span class=w> </span><span class=o><<</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
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<span class=p>}</span>
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</code></pre></div> </li> <li> <p>Initialize cget</p> <div class=highlight><pre><span></span><code>cget<span class=w> </span>init
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</code></pre></div> </li> <li> <p>Install the library</p> <div class=highlight><pre><span></span><code>cget<span class=w> </span>install<span class=w> </span>nlohmann/json
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</code></pre></div> </li> <li> <p>Build</p> <div class=highlight><pre><span></span><code>cmake<span class=w> </span>-S<span class=w> </span>.<span class=w> </span>-B<span class=w> </span>build<span class=w> </span>-DCMAKE_TOOLCHAIN_FILE<span class=o>=</span>cget/cget/cget.cmake
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cmake<span class=w> </span>--build<span class=w> </span>build
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</code></pre></div> </li> </ol> </details> <h2 id=cocoapods>CocoaPods<a class=headerlink href=#cocoapods title="Permanent link">¶</a></h2> <p>If you are using <a href=https://cocoapods.org>CocoaPods</a>, you can use the library by adding pod <code>"nlohmann_json", '~>3.1.2'</code> to your podfile (see <a href=https://bitbucket.org/benman/nlohmann_json-cocoapod/src/master/ >an example</a>). Please file issues <a href="https://bitbucket.org/benman/nlohmann_json-cocoapod/issues?status=new&status=open">here</a>.</p> <h2 id=nuget>NuGet<a class=headerlink href=#nuget title="Permanent link">¶</a></h2> <p>If you are using <a href=https://www.nuget.org>NuGet</a>, you can use the package <a href=https://www.nuget.org/packages/nlohmann.json/ >nlohmann.json</a>. Please check <a href=https://github.com/nlohmann/json/issues/1132#issuecomment-452250255>this extensive description</a> on how to use the package. Please file issues <a href=https://github.com/hnkb/nlohmann-json-nuget/issues>here</a>.</p> <h2 id=conda>Conda<a class=headerlink href=#conda title="Permanent link">¶</a></h2> <p>If you are using <a href=https://conda.io/ >conda</a>, you can use the package <a href=https://github.com/conda-forge/nlohmann_json-feedstock>nlohmann_json</a> from <a href=https://conda-forge.org>conda-forge</a> executing <code>conda install -c conda-forge nlohmann_json</code>. Please file issues <a href=https://github.com/conda-forge/nlohmann_json-feedstock/issues>here</a>.</p> <h2 id=msys2>MSYS2<a class=headerlink href=#msys2 title="Permanent link">¶</a></h2> <p>If you are using <a href=http://www.msys2.org/ >MSYS2</a>, you can use the <a href=https://packages.msys2.org/base/mingw-w64-nlohmann-json>mingw-w64-nlohmann-json</a> package, just type <code>pacman -S mingw-w64-i686-nlohmann-json</code> or <code>pacman -S mingw-w64-x86_64-nlohmann-json</code> for installation. Please file issues <a href="https://github.com/msys2/MINGW-packages/issues/new?title=%5Bnlohmann-json%5D">here</a> if you experience problems with the packages.</p> <p><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1a6.887 6.887 0 0 0 0 9.8c2.73 2.7 7.15 2.7 9.88 0 1.36-1.35 2.04-2.92 2.04-4.9h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58a8.987 8.987 0 0 1 12.65 0L21 3zM12.5 8v4.25l3.5 2.08-.72 1.21L11 13V8z"/></svg></span> The <a href=https://packages.msys2.org/base/mingw-w64-nlohmann-json>package</a> is updated automatically.</p> <h2 id=macports>MacPorts<a class=headerlink href=#macports title="Permanent link">¶</a></h2> <p>If you are using <a href=https://ports.macports.org>MacPorts</a>, execute <code>sudo port install nlohmann-json</code> to install the <a href=https://ports.macports.org/port/nlohmann-json/ >nlohmann-json</a> package.</p> <p><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1a6.887 6.887 0 0 0 0 9.8c2.73 2.7 7.15 2.7 9.88 0 1.36-1.35 2.04-2.92 2.04-4.9h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58a8.987 8.987 0 0 1 12.65 0L21 3zM12.5 8v4.25l3.5 2.08-.72 1.21L11 13V8z"/></svg></span> The <a href=https://ports.macports.org/port/nlohmann-json/ >package</a> is updated automatically.</p> <h2 id=build2>build2<a class=headerlink href=#build2 title="Permanent link">¶</a></h2> <p>If you are using <a href=https://build2.org><code>build2</code></a>, you can use the <a href=https://cppget.org/nlohmann-json><code>nlohmann-json</code></a> package from the public repository <a href=http://cppget.org>http://cppget.org</a> or directly from the <a href=https://github.com/build2-packaging/nlohmann-json>package's sources repository</a>. In your project's <code>manifest</code> file, just add <code>depends: nlohmann-json</code> (probably with some <a href=https://build2.org/build2-toolchain/doc/build2-toolchain-intro.xhtml#guide-add-remove-deps>version constraints</a>). If you are not familiar with using dependencies in <code>build2</code>, <a href=https://build2.org/build2-toolchain/doc/build2-toolchain-intro.xhtml>please read this introduction</a>. Please file issues <a href=https://github.com/build2-packaging/nlohmann-json>here</a> if you experience problems with the packages.</p> <p><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1a6.887 6.887 0 0 0 0 9.8c2.73 2.7 7.15 2.7 9.88 0 1.36-1.35 2.04-2.92 2.04-4.9h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58a8.987 8.987 0 0 1 12.65 0L21 3zM12.5 8v4.25l3.5 2.08-.72 1.21L11 13V8z"/></svg></span> The <a href=https://cppget.org/nlohmann-json>package</a> is updated automatically.</p> <h2 id=wsjcpp>wsjcpp<a class=headerlink href=#wsjcpp title="Permanent link">¶</a></h2> <p>If you are using <a href=http://wsjcpp.orgLine truncated
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</code></pre></div> <details class=example> <summary>Example</summary> <ol> <li>Download CPM.cmake</li> </ol> <div class=highlight><pre><span></span><code>mkdir<span class=w> </span>-p<span class=w> </span>cmake
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wget<span class=w> </span>-O<span class=w> </span>cmake/CPM.cmake<span class=w> </span>https://github.com/cpm-cmake/CPM.cmake/releases/latest/download/get_cpm.cmake
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</code></pre></div> <ol> <li>Build</li> </ol> <div class=highlight><pre><span></span><code>cmake<span class=w> </span>-S<span class=w> </span>.<span class=w> </span>-B<span class=w> </span>build
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cmake<span class=w> </span>--build<span class=w> </span>build
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