| // -*- 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___FUNCTIONAL_RANGES_OPERATIONS_H |
| #define _LIBCPP___FUNCTIONAL_RANGES_OPERATIONS_H |
| |
| #include <__config> |
| #include <concepts> |
| #include <utility> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if !defined(_LIBCPP_HAS_NO_RANGES) |
| namespace ranges { |
| |
| struct equal_to { |
| template <class _Tp, class _Up> |
| requires equality_comparable_with<_Tp, _Up> |
| [[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const |
| noexcept(noexcept(bool(_VSTD::forward<_Tp>(__t) == _VSTD::forward<_Up>(__u)))) { |
| return _VSTD::forward<_Tp>(__t) == _VSTD::forward<_Up>(__u); |
| } |
| |
| using is_transparent = void; |
| }; |
| |
| struct not_equal_to { |
| template <class _Tp, class _Up> |
| requires equality_comparable_with<_Tp, _Up> |
| [[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const |
| noexcept(noexcept(bool(!(_VSTD::forward<_Tp>(__t) == _VSTD::forward<_Up>(__u))))) { |
| return !(_VSTD::forward<_Tp>(__t) == _VSTD::forward<_Up>(__u)); |
| } |
| |
| using is_transparent = void; |
| }; |
| |
| struct less { |
| template <class _Tp, class _Up> |
| requires totally_ordered_with<_Tp, _Up> |
| [[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const |
| noexcept(noexcept(bool(_VSTD::forward<_Tp>(__t) < _VSTD::forward<_Up>(__u)))) { |
| return _VSTD::forward<_Tp>(__t) < _VSTD::forward<_Up>(__u); |
| } |
| |
| using is_transparent = void; |
| }; |
| |
| struct less_equal { |
| template <class _Tp, class _Up> |
| requires totally_ordered_with<_Tp, _Up> |
| [[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const |
| noexcept(noexcept(bool(!(_VSTD::forward<_Up>(__u) < _VSTD::forward<_Tp>(__t))))) { |
| return !(_VSTD::forward<_Up>(__u) < _VSTD::forward<_Tp>(__t)); |
| } |
| |
| using is_transparent = void; |
| }; |
| |
| struct greater { |
| template <class _Tp, class _Up> |
| requires totally_ordered_with<_Tp, _Up> |
| [[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const |
| noexcept(noexcept(bool(_VSTD::forward<_Up>(__u) < _VSTD::forward<_Tp>(__t)))) { |
| return _VSTD::forward<_Up>(__u) < _VSTD::forward<_Tp>(__t); |
| } |
| |
| using is_transparent = void; |
| }; |
| |
| struct greater_equal { |
| template <class _Tp, class _Up> |
| requires totally_ordered_with<_Tp, _Up> |
| [[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const |
| noexcept(noexcept(bool(!(_VSTD::forward<_Tp>(__t) < _VSTD::forward<_Up>(__u))))) { |
| return !(_VSTD::forward<_Tp>(__t) < _VSTD::forward<_Up>(__u)); |
| } |
| |
| using is_transparent = void; |
| }; |
| |
| } // namespace ranges |
| #endif // !defined(_LIBCPP_HAS_NO_RANGES) |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___FUNCTIONAL_RANGES_OPERATIONS_H |