1*4bdff4beSrobert // -*- C++ -*- 2*4bdff4beSrobert //===----------------------------------------------------------------------===// 3*4bdff4beSrobert // 4*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 6*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*4bdff4beSrobert // 8*4bdff4beSrobert //===----------------------------------------------------------------------===// 9*4bdff4beSrobert 10*4bdff4beSrobert #ifndef _LIBCPP___FORMAT_FORMATTER_H 11*4bdff4beSrobert #define _LIBCPP___FORMAT_FORMATTER_H 12*4bdff4beSrobert 13*4bdff4beSrobert #include <__availability> 14*4bdff4beSrobert #include <__config> 15*4bdff4beSrobert #include <__format/format_fwd.h> 16*4bdff4beSrobert 17*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18*4bdff4beSrobert # pragma GCC system_header 19*4bdff4beSrobert #endif 20*4bdff4beSrobert 21*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD 22*4bdff4beSrobert 23*4bdff4beSrobert #if _LIBCPP_STD_VER > 17 24*4bdff4beSrobert 25*4bdff4beSrobert /// The default formatter template. 26*4bdff4beSrobert /// 27*4bdff4beSrobert /// [format.formatter.spec]/5 28*4bdff4beSrobert /// If F is a disabled specialization of formatter, these values are false: 29*4bdff4beSrobert /// - is_default_constructible_v<F>, 30*4bdff4beSrobert /// - is_copy_constructible_v<F>, 31*4bdff4beSrobert /// - is_move_constructible_v<F>, 32*4bdff4beSrobert /// - is_copy_assignable<F>, and 33*4bdff4beSrobert /// - is_move_assignable<F>. 34*4bdff4beSrobert template <class _Tp, class _CharT> 35*4bdff4beSrobert struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter { 36*4bdff4beSrobert formatter() = delete; 37*4bdff4beSrobert formatter(const formatter&) = delete; 38*4bdff4beSrobert formatter& operator=(const formatter&) = delete; 39*4bdff4beSrobert }; 40*4bdff4beSrobert 41*4bdff4beSrobert # if _LIBCPP_STD_VER > 20 42*4bdff4beSrobert 43*4bdff4beSrobert template <class _Tp> __set_debug_format(_Tp & __formatter)44*4bdff4beSrobert_LIBCPP_HIDE_FROM_ABI constexpr void __set_debug_format(_Tp& __formatter) { 45*4bdff4beSrobert if constexpr (requires { __formatter.set_debug_format(); }) 46*4bdff4beSrobert __formatter.set_debug_format(); 47*4bdff4beSrobert } 48*4bdff4beSrobert 49*4bdff4beSrobert # endif // _LIBCPP_STD_VER > 20 50*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17 51*4bdff4beSrobert 52*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD 53*4bdff4beSrobert 54*4bdff4beSrobert #endif // _LIBCPP___FORMAT_FORMATTER_H 55