chromium/third_party/libc++/src/include/__format/formatter_char.h

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP___FORMAT_FORMATTER_CHAR_H
#define _LIBCPP___FORMAT_FORMATTER_CHAR_H

#include <__concepts/same_as.h>
#include <__config>
#include <__format/concepts.h>
#include <__format/format_parse_context.h>
#include <__format/formatter.h>
#include <__format/formatter_integral.h>
#include <__format/formatter_output.h>
#include <__format/parser_std_format_spec.h>
#include <__format/write_escaped.h>
#include <__type_traits/conditional.h>
#include <__type_traits/make_unsigned.h>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

_LIBCPP_BEGIN_NAMESPACE_STD

#if _LIBCPP_STD_VER >= 20

template <__fmt_char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS __formatter_char { … };

template <>
struct _LIBCPP_TEMPLATE_VIS formatter<char, char> : public __formatter_char<char> { … };

#  ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
struct _LIBCPP_TEMPLATE_VIS formatter<char, wchar_t> : public __formatter_char<wchar_t> { … };

template <>
struct _LIBCPP_TEMPLATE_VIS formatter<wchar_t, wchar_t> : public __formatter_char<wchar_t> { … };
#  endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS

#  if _LIBCPP_STD_VER >= 23
template <>
inline constexpr bool enable_nonlocking_formatter_optimization<char> = true;
#    ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
inline constexpr bool enable_nonlocking_formatter_optimization<wchar_t> = true;
#    endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
#  endif   // _LIBCPP_STD_VER >= 23

#endif // _LIBCPP_STD_VER >= 20

_LIBCPP_END_NAMESPACE_STD

#endif // _LIBCPP___FORMAT_FORMATTER_CHAR_H