1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef _LIBCPP___ITERATOR_INDIRECTLY_COMPARABLE_H 11 #define _LIBCPP___ITERATOR_INDIRECTLY_COMPARABLE_H 12 13 #include <__config> 14 #include <__functional/identity.h> 15 #include <__iterator/concepts.h> 16 #include <__iterator/projected.h> 17 18 _LIBCPP_BEGIN_NAMESPACE_STD 19 20 #if !defined(_LIBCPP_HAS_NO_CONCEPTS) 21 22 template <class _I1, class _I2, class _Rp, class _P1 = identity, class _P2 = identity> 23 concept indirectly_comparable = 24 indirect_binary_predicate<_Rp, projected<_I1, _P1>, projected<_I2, _P2>>; 25 26 #endif // !defined(_LIBCPP_HAS_NO_CONCEPTS) 27 28 _LIBCPP_END_NAMESPACE_STD 29 30 #endif // _LIBCPP___ITERATOR_INDIRECTLY_COMPARABLE_H 31