-template <class T> struct IsSomeString {
- enum { value = std::is_same<T, std::string>::value
- || std::is_same<T, fbstring>::value };
-};
+inline namespace literals {
+inline namespace string_piece_literals {
+constexpr Range<char const*> operator"" _sp(
+ char const* str,
+ size_t len) noexcept {
+ return Range<char const*>(str, len);
+}
+
+constexpr Range<char16_t const*> operator"" _sp(
+ char16_t const* str,
+ size_t len) noexcept {
+ return Range<char16_t const*>(str, len);
+}
+
+constexpr Range<char32_t const*> operator"" _sp(
+ char32_t const* str,
+ size_t len) noexcept {
+ return Range<char32_t const*>(str, len);
+}
+
+constexpr Range<wchar_t const*> operator"" _sp(
+ wchar_t const* str,
+ size_t len) noexcept {
+ return Range<wchar_t const*>(str, len);
+}
+} // inline namespace string_piece_literals
+} // inline namespace literals