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@@ -25,13 +25,38 @@ Constant.
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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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#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("/foo/bar/baz");
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std::cout << "\"" << ptr << "\"\n";
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// call pop_back()
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ptr.pop_back();
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std::cout << "\"" << ptr << "\"\n";
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ptr.pop_back();
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std::cout << "\"" << ptr << "\"\n";
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ptr.pop_back();
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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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```json
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--8<-- "examples/json_pointer__pop_back.output"
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"/foo/bar/baz"
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"/foo/bar"
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"/foo"
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""
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```
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## See also
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