Function merge_patch

Source/Utils/json.hpp:25132–25156

! @brief applies a JSON Merge Patch 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. The function implements the following algorithm from Section 2 of [RFC 7396 (JSON M

        @since version 3.0.0
        */
        void merge_patch(const basic_json& apply_patch)
        {
            if (apply_patch.is_object())
            {
                if (!is_object())
                {
                    *this = object();
                }
                for (auto it = apply_patch.begin(); it != apply_patch.end(); ++it)
                {
                    if (it.value().is_null())
                    {
                        erase(it.key());
                    }
                    else
                    {
                        operator[](it.key()).merge_patch(it.value());
                    }
                }
            }
            else
            {
                *this = apply_patch;
            }
        }

        /// @}
    };