51 lines · c
1// -*- C++ -*-2//===---------------------------------------------------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===---------------------------------------------------------------------===//9 10#ifndef _LIBCPP___FWD_STRING_VIEW_H11#define _LIBCPP___FWD_STRING_VIEW_H12 13#include <__config>14#include <__fwd/string.h>15 16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)17# pragma GCC system_header18#endif19 20_LIBCPP_BEGIN_NAMESPACE_STD21 22template <class _CharT, class _Traits = char_traits<_CharT> >23class basic_string_view;24 25typedef basic_string_view<char> string_view;26#if _LIBCPP_HAS_CHAR8_T27typedef basic_string_view<char8_t> u8string_view;28#endif29typedef basic_string_view<char16_t> u16string_view;30typedef basic_string_view<char32_t> u32string_view;31#if _LIBCPP_HAS_WIDE_CHARACTERS32typedef basic_string_view<wchar_t> wstring_view;33#endif34 35// clang-format off36template <class _CharT, class _Traits>37class _LIBCPP_PREFERRED_NAME(string_view)38#if _LIBCPP_HAS_WIDE_CHARACTERS39 _LIBCPP_PREFERRED_NAME(wstring_view)40#endif41#if _LIBCPP_HAS_CHAR8_T42 _LIBCPP_PREFERRED_NAME(u8string_view)43#endif44 _LIBCPP_PREFERRED_NAME(u16string_view)45 _LIBCPP_PREFERRED_NAME(u32string_view)46 basic_string_view;47// clang-format on48_LIBCPP_END_NAMESPACE_STD49 50#endif // _LIBCPP___FWD_STRING_VIEW_H51