| // -*- 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___ITERATOR_INDIRECTLY_COMPARABLE_H |
| #define _LIBCPP___ITERATOR_INDIRECTLY_COMPARABLE_H |
| |
| #include <__config> |
| #include <__functional/identity.h> |
| #include <__iterator/concepts.h> |
| #include <__iterator/projected.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER >= 20 |
| |
| template <class _I1, class _I2, class _Rp, class _P1 = identity, class _P2 = identity> |
| concept indirectly_comparable = |
| indirect_binary_predicate<_Rp, projected<_I1, _P1>, projected<_I2, _P2>>; |
| |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___ITERATOR_INDIRECTLY_COMPARABLE_H |
