1 //===----------------------------------------------------------------------===//
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
7 //===----------------------------------------------------------------------===//
9 #ifndef _LIBCPP___FWD_ISTREAM_H
10 #define _LIBCPP___FWD_ISTREAM_H
13 #include <__fwd/string.h>
15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16 # pragma GCC system_header
19 _LIBCPP_BEGIN_NAMESPACE_STD
21 template <class _CharT
, class _Traits
= char_traits
<_CharT
> >
22 class _LIBCPP_TEMPLATE_VIS basic_istream
;
24 template <class _CharT
, class _Traits
= char_traits
<_CharT
> >
25 class _LIBCPP_TEMPLATE_VIS basic_iostream
;
27 using istream
= basic_istream
<char>;
28 using iostream
= basic_iostream
<char>;
30 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
31 using wistream
= basic_istream
<wchar_t>;
32 using wiostream
= basic_iostream
<wchar_t>;
35 template <class _CharT
, class _Traits
>
36 class _LIBCPP_PREFERRED_NAME(istream
) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wistream
)) basic_istream
;
38 template <class _CharT
, class _Traits
>
39 class _LIBCPP_PREFERRED_NAME(iostream
) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wiostream
)) basic_iostream
;
41 _LIBCPP_END_NAMESPACE_STD
43 #endif // _LIBCPP___FWD_ISTREAM_H