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-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef _LIBCPP___FWD_FORMAT_H 11 #define _LIBCPP___FWD_FORMAT_H 12 13 #include <__config> 14 #include <__iterator/concepts.h> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 _LIBCPP_BEGIN_NAMESPACE_STD 21 22 #if _LIBCPP_STD_VER >= 20 23 24 template <class _Context> 25 class _LIBCPP_TEMPLATE_VIS basic_format_arg; 26 27 template <class _OutIt, class _CharT> 28 requires output_iterator<_OutIt, const _CharT&> 29 class _LIBCPP_TEMPLATE_VIS basic_format_context; 30 31 template <class _Tp, class _CharT = char> 32 struct _LIBCPP_TEMPLATE_VIS formatter; 33 34 #endif //_LIBCPP_STD_VER >= 20 35 36 _LIBCPP_END_NAMESPACE_STD 37 38 #endif // _LIBCPP___FWD_FORMAT_H 39