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51 lines
1.0 KiB
Markdown
51 lines
1.0 KiB
Markdown
# <small>nlohmann::json_pointer::</small>push_back
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```cpp
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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)
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: token to add
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## Exception safety
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Strong exception safety: if an exception occurs, the original value stays intact.
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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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```cpp
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--8<-- "examples/json_pointer__push_back.cpp"
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```
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Output:
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```json
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--8<-- "examples/json_pointer__push_back.output"
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```
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## See also
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- [back](back.md) return last reference token
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- [pop_back](pop_back.md) remove the last reference token
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- [operator/=](operator_slasheq.md) append to the end of the JSON pointer
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- [operator/](operator_slash.md) create JSON Pointer by appending
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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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