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</code></pre></div> <p>This exception is thrown in case a library function is called on an input parameter that exceeds the expected range, for instance in case of array indices or nonexisting object keys.</p> <p>Exceptions have ids 4xx (see <a href=../../../home/exceptions/#out-of-range>list of out-of-range errors</a>).</p> <p><img src=data:image/svg+xml;base64,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1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5Line truncated
</code></pre></div> <p>This exception is thrown in case a library function is called on an input parameter that exceeds the expected range, for instance in case of array indices or nonexisting object keys.</p> <p>Exceptions have ids 4xx (see <a href=../../../home/exceptions/#out-of-range>list of out-of-range errors</a>).</p> <pre class=mermaid><code>classDiagram
direction LR
class std_exception ["std::exception"] {
&lt;&lt;interface&gt;&gt;
}
class json_exception ["basic_json::exception"] {
+const int id
+const char* what() const
}
class json_parse_error ["basic_json::parse_error"] {
+const std::size_t byte
}
class json_invalid_iterator ["basic_json::invalid_iterator"]
class json_type_error ["basic_json::type_error"]
class json_out_of_range ["basic_json::out_of_range"]
class json_other_error ["basic_json::other_error"]
std_exception &lt;|-- json_exception
json_exception &lt;|-- json_parse_error
json_exception &lt;|-- json_invalid_iterator
json_exception &lt;|-- json_type_error
json_exception &lt;|-- json_out_of_range
json_exception &lt;|-- json_other_error
style json_out_of_range fill:#CCCCFF</code></pre> <h2 id=member-functions>Member functions<a class=headerlink href=#member-functions title="Permanent link">&para;</a></h2> <ul> <li><strong>what</strong> - returns explanatory string</li> </ul> <h2 id=member-variables>Member variables<a class=headerlink href=#member-variables title="Permanent link">&para;</a></h2> <ul> <li><strong>id</strong> - the id of the exception</li> </ul> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link">&para;</a></h2> <details class=example> <summary>Example</summary> <p>The following code shows how a <code>out_of_range</code> exception can be caught.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;iostream&gt;</span>
<span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;nlohmann/json.hpp&gt;</span>
<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>
@@ -21,4 +49,4 @@
<span class=p>}</span>
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code><span class=err>message</span><span class=p>:</span><span class=w> </span><span class=p>[</span><span class=err>jso</span><span class=kc>n</span><span class=err>.excep</span><span class=kc>t</span><span class=err>io</span><span class=kc>n</span><span class=err>.ou</span><span class=kc>t</span><span class=err>_o</span><span class=kc>f</span><span class=err>_ra</span><span class=kc>n</span><span class=err>ge.</span><span class=mi>401</span><span class=p>]</span><span class=w> </span><span class=err>array</span><span class=w> </span><span class=err>i</span><span class=kc>n</span><span class=err>dex</span><span class=w> </span><span class=mi>4</span><span class=w> </span><span class=err>is</span><span class=w> </span><span class=err>ou</span><span class=kc>t</span><span class=w> </span><span class=err>o</span><span class=kc>f</span><span class=w> </span><span class=err>ra</span><span class=kc>n</span><span class=err>ge</span>
<span class=err>excep</span><span class=kc>t</span><span class=err>io</span><span class=kc>n</span><span class=w> </span><span class=err>id</span><span class=p>:</span><span class=w> </span><span class=mi>401</span>
</code></pre></div> </details> <h2 id=see-also>See also<a class=headerlink href=#see-also title="Permanent link">&para;</a></h2> <ul> <li><a href=../../../home/exceptions/#out-of-range>List of out-of-range errors</a></li> <li><a href=../parse_error/ ><code>parse_error</code></a> for exceptions indicating a parse error</li> <li><a href=../invalid_iterator/ ><code>invalid_iterator</code></a> for exceptions indicating errors with iterators</li> <li><a href=../type_error/ ><code>type_error</code></a> for exceptions indicating executing a member function with a wrong type</li> <li><a href=../other_error/ ><code>other_error</code></a> for exceptions indicating other library errors</li> </ul> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">&para;</a></h2> <ul> <li>Since version 3.0.0.</li> </ul> <hr> <div class=md-source-file> <small> Last update: <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 1, 2022</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 &copy; 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</code></pre></div> </details> <h2 id=see-also>See also<a class=headerlink href=#see-also title="Permanent link">&para;</a></h2> <ul> <li><a href=../../../home/exceptions/#out-of-range>List of out-of-range errors</a></li> <li><a href=../parse_error/ ><code>parse_error</code></a> for exceptions indicating a parse error</li> <li><a href=../invalid_iterator/ ><code>invalid_iterator</code></a> for exceptions indicating errors with iterators</li> <li><a href=../type_error/ ><code>type_error</code></a> for exceptions indicating executing a member function with a wrong type</li> <li><a href=../other_error/ ><code>other_error</code></a> for exceptions indicating other library errors</li> </ul> <h2 id=version-history>Version history<a class=headerlink href=#version-history title="Permanent link">&para;</a></h2> <ul> <li>Since version 3.0.0.</li> </ul> <aside class=md-source-file> <span class=md-source-file__fact> <span class=md-icon title="Last update"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1zM12.5 7v5.2l4 2.4-1 1L11 13V7zM11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2z"/></svg> </span> <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">December 10, 2024</span> </span> </aside> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var labels=set.querySelector(".tabbed-labels");for(var 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> <script>var target=document.getElementById(location.hash.slice(1));target&&target.name&&(target.checked=target.name.startsWith("__tabbed_"))</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 8z"/></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 &copy; 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