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// -*- 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_H
#define _LIBCPP___FORMAT_FORMATTER_H
#include <__config>
#include <__fwd/format.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 20
struct __disabled_formatter {
__disabled_formatter() = delete;
__disabled_formatter(const __disabled_formatter&) = delete;
__disabled_formatter& operator=(const __disabled_formatter&) = delete;
};
/// The default formatter template.
///
/// [format.formatter.spec]/5
/// If F is a disabled specialization of formatter, these values are false:
/// - is_default_constructible_v<F>,
/// - is_copy_constructible_v<F>,
/// - is_move_constructible_v<F>,
/// - is_copy_assignable_v<F>, and
/// - is_move_assignable_v<F>.
template <class _Tp, class _CharT>
struct formatter : __disabled_formatter {};
# if _LIBCPP_STD_VER >= 23
template <class _Tp>
constexpr bool enable_nonlocking_formatter_optimization = false;
template <class _Tp>
_LIBCPP_HIDE_FROM_ABI constexpr void __set_debug_format(_Tp& __formatter) {
if constexpr (requires { __formatter.set_debug_format(); })
__formatter.set_debug_format();
}
# endif // _LIBCPP_STD_VER >= 23
#endif // _LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___FORMAT_FORMATTER_H
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