36 lines
550 B
Markdown
36 lines
550 B
Markdown
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# <small>nlohmann::json_pointer::</small>pop_back
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```cpp
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void pop_back();
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```
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Remove last reference token.
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## Exceptions
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Throws [out_of_range.405](../../home/exceptions.md#jsonexceptionout_of_range405) if JSON pointer has no parent.
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## Complexity
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Constant.
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## Examples
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??? example
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The example shows the usage of `pop_back`.
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```cpp
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--8<-- "examples/json_pointer__pop_back.cpp"
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```
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Output:
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```json
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--8<-- "examples/json_pointer__pop_back.output"
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```
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## Version history
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Added in version 3.6.0.
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