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nlohmann
62 lines
943 B
Markdown
62 lines
943 B
Markdown
# nlohmann::json_pointer::push_back
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```
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void push_back(const string_t& token);
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void push_back(string_t&& token);
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```
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Append an unescaped token at the end of the reference pointer.
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## Parameters
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`token` (in) : token to add
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## Complexity
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Amortized constant.
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## Examples
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Example
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The example shows the result of `push_back` for different JSON Pointers.
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```
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#include <iostream>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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int main()
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{
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// create empty JSON Pointer
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json::json_pointer ptr;
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std::cout << "\"" << ptr << "\"\n";
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// call push_back()
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ptr.push_back("foo");
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std::cout << "\"" << ptr << "\"\n";
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ptr.push_back("0");
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std::cout << "\"" << ptr << "\"\n";
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ptr.push_back("bar");
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std::cout << "\"" << ptr << "\"\n";
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}
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```
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Output:
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```
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""
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"/foo"
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"/foo/0"
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"/foo/0/bar"
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```
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## Version history
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- Added in version 3.6.0.
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- Changed type of `token` to `string_t` in version 3.11.0.
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