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
24template <class _Context>
25class basic_format_arg;
26
27template <class _OutIt, class _CharT>
28 requires output_iterator<_OutIt, const _CharT&>
29class basic_format_context;
30
31template <class _Tp, class _CharT = char>
32struct formatter;
33
34#endif // _LIBCPP_STD_VER >= 20
35
36_LIBCPP_END_NAMESPACE_STD
37
38#endif // _LIBCPP___FWD_FORMAT_H
39