Function parse

Source/external/json.hpp:23213–23221

	JSON_HEDLEY_WARN_UNUSED_RESULT
	JSON_HEDLEY_DEPRECATED_FOR(3.8.0, parse(ptr, ptr + len))
	static basic_json parse(detail::span_input_adapter&& i,
							const parser_callback_t cb = nullptr,
							const bool allow_exceptions = true,
							const bool ignore_comments = false)
	{
		basic_json result;
		parser(i.get(), cb, allow_exceptions, ignore_comments).parse(true, result);
		return result;
	}

	/// @brief check if the input is valid JSON
	/// @sa https://json.nlohmann.me/api/basic_json/accept/