1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___FWD_ISTREAM_H 10 #define _LIBCPP___FWD_ISTREAM_H 11 12 #include <__config> 13 #include <__fwd/string.h> 14 15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16 # pragma GCC system_header 17 #endif 18 19 _LIBCPP_BEGIN_NAMESPACE_STD 20 21 template <class _CharT, class _Traits = char_traits<_CharT> > 22 class _LIBCPP_TEMPLATE_VIS basic_istream; 23 24 template <class _CharT, class _Traits = char_traits<_CharT> > 25 class _LIBCPP_TEMPLATE_VIS basic_iostream; 26 27 using istream = basic_istream<char>; 28 using iostream = basic_iostream<char>; 29 30 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 31 using wistream = basic_istream<wchar_t>; 32 using wiostream = basic_iostream<wchar_t>; 33 #endif 34 35 template <class _CharT, class _Traits> 36 class _LIBCPP_PREFERRED_NAME(istream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wistream)) basic_istream; 37 38 template <class _CharT, class _Traits> 39 class _LIBCPP_PREFERRED_NAME(iostream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wiostream)) basic_iostream; 40 41 _LIBCPP_END_NAMESPACE_STD 42 43 #endif // _LIBCPP___FWD_ISTREAM_H 44