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JSON Merge Patch
The library supports JSON Merge Patch (RFC 7386) as a patch format. The merge patch format is primarily intended for use with the HTTP PATCH method as a means of describing a set of modifications to a target resource's content. This function applies a merge patch to the current JSON value.
Instead of using JSON Pointer to specify values to be manipulated, it describes the changes using a syntax that closely mimics the document being modified.
??? example
The following code shows how a JSON Merge Patch is applied to a JSON document.
```cpp
--8<-- "examples/merge_patch.cpp"
```
Output:
```json
--8<-- "examples/merge_patch.output"
```