104eeddc0SDimitry Andric // -*- C++ -*- 204eeddc0SDimitry Andric //===----------------------------------------------------------------------===// 304eeddc0SDimitry Andric // 404eeddc0SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 504eeddc0SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 604eeddc0SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 704eeddc0SDimitry Andric // 804eeddc0SDimitry Andric //===----------------------------------------------------------------------===// 904eeddc0SDimitry Andric 1004eeddc0SDimitry Andric #ifndef _LIBCPP___ITERATOR_INDIRECTLY_COMPARABLE_H 1104eeddc0SDimitry Andric #define _LIBCPP___ITERATOR_INDIRECTLY_COMPARABLE_H 1204eeddc0SDimitry Andric 1304eeddc0SDimitry Andric #include <__config> 1404eeddc0SDimitry Andric #include <__functional/identity.h> 1504eeddc0SDimitry Andric #include <__iterator/concepts.h> 1604eeddc0SDimitry Andric #include <__iterator/projected.h> 1704eeddc0SDimitry Andric 1881ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1981ad6265SDimitry Andric # pragma GCC system_header 2081ad6265SDimitry Andric #endif 2181ad6265SDimitry Andric 2204eeddc0SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2304eeddc0SDimitry Andric 2406c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 2504eeddc0SDimitry Andric 2604eeddc0SDimitry Andric template <class _I1, class _I2, class _Rp, class _P1 = identity, class _P2 = identity> 27*cb14a3feSDimitry Andric concept indirectly_comparable = indirect_binary_predicate<_Rp, projected<_I1, _P1>, projected<_I2, _P2>>; 2804eeddc0SDimitry Andric 2906c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 3004eeddc0SDimitry Andric 3104eeddc0SDimitry Andric _LIBCPP_END_NAMESPACE_STD 3204eeddc0SDimitry Andric 3304eeddc0SDimitry Andric #endif // _LIBCPP___ITERATOR_INDIRECTLY_COMPARABLE_H 34