diff options
Diffstat (limited to 'libstdc++-v3/include/experimental/string_view')
| -rw-r--r-- | libstdc++-v3/include/experimental/string_view | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libstdc++-v3/include/experimental/string_view b/libstdc++-v3/include/experimental/string_view index 8cc0e90246b..ce2c14cfe36 100644 --- a/libstdc++-v3/include/experimental/string_view +++ b/libstdc++-v3/include/experimental/string_view @@ -566,6 +566,9 @@ inline namespace fundamentals_v1 #ifdef _GLIBCXX_USE_WCHAR_T using wstring_view = basic_string_view<wchar_t>; #endif +#ifdef _GLIBCXX_USE_CHAR8_T + using u8string_view = basic_string_view<char8_t>; +#endif using u16string_view = basic_string_view<char16_t>; using u32string_view = basic_string_view<char32_t>; } // namespace fundamentals_v1 @@ -605,6 +608,21 @@ inline namespace fundamentals_v1 { }; #endif +#ifdef _GLIBCXX_USE_CHAR8_T + template<> + struct hash<experimental::u8string_view> + : public __hash_base<size_t, experimental::u8string_view> + { + size_t + operator()(const experimental::u8string_view& __s) const noexcept + { return std::_Hash_impl::hash(__s.data(), __s.length()); } + }; + + template<> + struct __is_fast_hash<hash<experimental::u8string_view>> : std::false_type + { }; +#endif + template<> struct hash<experimental::u16string_view> : public __hash_base<size_t, experimental::u16string_view> @@ -652,6 +670,12 @@ namespace experimental { return basic_string_view<wchar_t>{__str, __len}; } #endif +#ifdef _GLIBCXX_USE_CHAR8_T + inline constexpr basic_string_view<char8_t> + operator""sv(const char8_t* __str, size_t __len) noexcept + { return basic_string_view<char8_t>{__str, __len}; } +#endif + inline constexpr basic_string_view<char16_t> operator""sv(const char16_t* __str, size_t __len) noexcept { return basic_string_view<char16_t>{__str, __len}; } |