| // -*- C++ -*- |
| //===---------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===---------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___FWD_STRING_VIEW_H |
| #define _LIBCPP___FWD_STRING_VIEW_H |
| |
| #include <__config> |
| #include <iosfwd> // char_traits |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template<class _CharT, class _Traits = char_traits<_CharT> > |
| class _LIBCPP_TEMPLATE_VIS basic_string_view; |
| |
| typedef basic_string_view<char> string_view; |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| typedef basic_string_view<char8_t> u8string_view; |
| #endif |
| typedef basic_string_view<char16_t> u16string_view; |
| typedef basic_string_view<char32_t> u32string_view; |
| #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS |
| typedef basic_string_view<wchar_t> wstring_view; |
| #endif |
| |
| // clang-format off |
| template <class _CharT, class _Traits> |
| class _LIBCPP_PREFERRED_NAME(string_view) |
| #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS |
| _LIBCPP_PREFERRED_NAME(wstring_view) |
| #endif |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| _LIBCPP_PREFERRED_NAME(u8string_view) |
| #endif |
| _LIBCPP_PREFERRED_NAME(u16string_view) |
| _LIBCPP_PREFERRED_NAME(u32string_view) |
| basic_string_view; |
| // clang-format on |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___FWD_STRING_VIEW_H |