1349cc55cSDimitry Andric // -*- C++ -*- 2349cc55cSDimitry Andric //===----------------------------------------------------------------------===// 3349cc55cSDimitry Andric // 4349cc55cSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5349cc55cSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6349cc55cSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7349cc55cSDimitry Andric // 8349cc55cSDimitry Andric //===----------------------------------------------------------------------===// 9349cc55cSDimitry Andric 10349cc55cSDimitry Andric #ifndef _LIBCPP___FORMAT_FORMATTER_H 11349cc55cSDimitry Andric #define _LIBCPP___FORMAT_FORMATTER_H 12349cc55cSDimitry Andric 13349cc55cSDimitry Andric #include <__config> 14*0fca6ea1SDimitry Andric #include <__fwd/format.h> 15349cc55cSDimitry Andric 16349cc55cSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17349cc55cSDimitry Andric # pragma GCC system_header 18349cc55cSDimitry Andric #endif 19349cc55cSDimitry Andric 20349cc55cSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 21349cc55cSDimitry Andric 2206c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 23349cc55cSDimitry Andric 2404eeddc0SDimitry Andric /// The default formatter template. 2504eeddc0SDimitry Andric /// 2604eeddc0SDimitry Andric /// [format.formatter.spec]/5 2704eeddc0SDimitry Andric /// If F is a disabled specialization of formatter, these values are false: 2804eeddc0SDimitry Andric /// - is_default_constructible_v<F>, 2904eeddc0SDimitry Andric /// - is_copy_constructible_v<F>, 3004eeddc0SDimitry Andric /// - is_move_constructible_v<F>, 3104eeddc0SDimitry Andric /// - is_copy_assignable<F>, and 3204eeddc0SDimitry Andric /// - is_move_assignable<F>. 33349cc55cSDimitry Andric template <class _Tp, class _CharT> 3406c3fb27SDimitry Andric struct _LIBCPP_TEMPLATE_VIS formatter { 3504eeddc0SDimitry Andric formatter() = delete; 3604eeddc0SDimitry Andric formatter(const formatter&) = delete; 3704eeddc0SDimitry Andric formatter& operator=(const formatter&) = delete; 38349cc55cSDimitry Andric }; 39349cc55cSDimitry Andric 4006c3fb27SDimitry Andric # if _LIBCPP_STD_VER >= 23 41349cc55cSDimitry Andric 42bdd1243dSDimitry Andric template <class _Tp> __set_debug_format(_Tp & __formatter)43bdd1243dSDimitry Andric_LIBCPP_HIDE_FROM_ABI constexpr void __set_debug_format(_Tp& __formatter) { 44bdd1243dSDimitry Andric if constexpr (requires { __formatter.set_debug_format(); }) 45bdd1243dSDimitry Andric __formatter.set_debug_format(); 46bdd1243dSDimitry Andric } 47349cc55cSDimitry Andric 4806c3fb27SDimitry Andric # endif // _LIBCPP_STD_VER >= 23 4906c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 50349cc55cSDimitry Andric 51349cc55cSDimitry Andric _LIBCPP_END_NAMESPACE_STD 52349cc55cSDimitry Andric 53349cc55cSDimitry Andric #endif // _LIBCPP___FORMAT_FORMATTER_H 54