Method string_view str

src/toml.hpp:6964–6968

#endif

		TOML_PURE_INLINE_GETTER
		std::string_view str() const noexcept
		{
			return std::string_view{ key_ };
		}

		TOML_PURE_INLINE_GETTER
		/*implicit*/ operator std::string_view() const noexcept