v1/__fwd/istream.h

0001 //===----------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___FWD_ISTREAM_H
0010 #define _LIBCPP___FWD_ISTREAM_H
0011
0012 #include <__config>
0013 #include <__fwd/string.h>
0014
0015 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0016 #  pragma GCC system_header
0017 #endif
0018
0019 _LIBCPP_BEGIN_NAMESPACE_STD
0020
0021 template <class _CharT, class _Traits = char_traits<_CharT> >
0022 class _LIBCPP_TEMPLATE_VIS basic_istream;
0023
0024 template <class _CharT, class _Traits = char_traits<_CharT> >
0025 class _LIBCPP_TEMPLATE_VIS basic_iostream;
0026
0027 using istream  = basic_istream<char>;
0028 using iostream = basic_iostream<char>;
0029
0030 #if _LIBCPP_HAS_WIDE_CHARACTERS
0031 using wistream  = basic_istream<wchar_t>;
0032 using wiostream = basic_iostream<wchar_t>;
0033 #endif
0034
0035 template <class _CharT, class _Traits>
0036 class _LIBCPP_PREFERRED_NAME(istream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wistream)) basic_istream;
0037
0038 template <class _CharT, class _Traits>
0039 class _LIBCPP_PREFERRED_NAME(iostream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wiostream)) basic_iostream;
0040
0041 _LIBCPP_END_NAMESPACE_STD
0042
0043 #endif // _LIBCPP___FWD_ISTREAM_H