void pop_back();
Remove last reference token.
Throws out_of_range.405 if JSON pointer has no parent.
Constant.
??? example
The example shows the usage of `pop_back`. ```cpp --8<-- "examples/json_pointer__pop_back.cpp" ``` Output: ```json --8<-- "examples/json_pointer__pop_back.output" ```
Added in version 3.6.0.