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nlohmann
39 lines
657 B
Markdown
39 lines
657 B
Markdown
# <small>nlohmann::json_pointer::</small>push_front
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```cpp
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void push_front(const string_t& token);
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void push_front(string_t&& token);
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```
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Append an unescaped token at the start 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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## Complexity
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Linear in the number of reference tokens in the `json_pointer`.
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## Examples
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??? example
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The example shows the result of `push_front` for different JSON Pointers.
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```cpp
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--8<-- "examples/json_pointer__push_front.cpp"
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```
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Output:
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```json
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--8<-- "examples/json_pointer__push_front.output"
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```
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## Version history
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- Added in version 3.12.x.
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