Method create

Source/external/json.hpp:4455–4459

  public:
	template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::value, int> = 0>
	static invalid_iterator create(int id_, const std::string& what_arg, BasicJsonContext context)
	{
		std::string w = concat(exception::name("invalid_iterator", id_), exception::diagnostics(context), what_arg);
		return {id_, w.c_str()};
	}

  private:
	JSON_HEDLEY_NON_NULL(3)