Function find

src/toml.hpp:2112–2120

	template <typename Iterator, typename T>
	TOML_PURE_GETTER
	inline auto find(Iterator start, Iterator end, const T& needle) noexcept //
		->decltype(&(*start))
	{
		for (; start != end; start++)
			if (*start == needle)
				return &(*start);
		return nullptr;
	}

	template <typename T>
	TOML_PURE_INLINE_GETTER