chromium/third_party/libc++/src/include/__format/formatter_pointer.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_POINTER_H
#define _LIBCPP___FORMAT_FORMATTER_POINTER_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 <cstddef>
#include <cstdint>

#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_pointer { … };

// [format.formatter.spec]/2.4
// For each charT, the pointer type specializations template<>
// - struct formatter<nullptr_t, charT>;
// - template<> struct formatter<void*, charT>;
// - template<> struct formatter<const void*, charT>;
formatter<nullptr_t, _CharT>;
formatter<void *, _CharT>;
formatter<const void *, _CharT>;

#  if _LIBCPP_STD_VER >= 23
template <>
inline constexpr bool enable_nonlocking_formatter_optimization<nullptr_t> = true;
template <>
inline constexpr bool enable_nonlocking_formatter_optimization<void*> = true;
template <>
inline constexpr bool enable_nonlocking_formatter_optimization<const void*> = true;
#  endif // _LIBCPP_STD_VER >= 23
#endif   // _LIBCPP_STD_VER >= 20

_LIBCPP_END_NAMESPACE_STD

#endif // _LIBCPP___FORMAT_FORMATTER_POINTER_H