__cxx03/__fwd/format.h

0001 // -*- C++ -*-
0002 //===----------------------------------------------------------------------===//
0003 //
0004 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0005 // See https://llvm.org/LICENSE.txt for license information.
0006 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0007 //
0008 //===----------------------------------------------------------------------===//
0009
0010 #ifndef _LIBCPP___CXX03___FWD_FORMAT_H
0011 #define _LIBCPP___CXX03___FWD_FORMAT_H
0012
0013 #include <__cxx03/__config>
0014 #include <__cxx03/__iterator/concepts.h>
0015
0016 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0017 #  pragma GCC system_header
0018 #endif
0019
0020 _LIBCPP_BEGIN_NAMESPACE_STD
0021
0022 #if _LIBCPP_STD_VER >= 20
0023
0024 template <class _Context>
0025 class _LIBCPP_TEMPLATE_VIS basic_format_arg;
0026
0027 template <class _OutIt, class _CharT>
0028   requires output_iterator<_OutIt, const _CharT&>
0029 class _LIBCPP_TEMPLATE_VIS basic_format_context;
0030
0031 template <class _Tp, class _CharT = char>
0032 struct _LIBCPP_TEMPLATE_VIS formatter;
0033
0034 #endif //_LIBCPP_STD_VER >= 20
0035
0036 _LIBCPP_END_NAMESPACE_STD
0037
0038 #endif // _LIBCPP___CXX03___FWD_FORMAT_H