| // -*- 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_BINARY_FUNCTION_H |
| #define _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H |
| |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) |
| |
| template <class _Arg1, class _Arg2, class _Result> |
| struct _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binary_function |
| { |
| typedef _Arg1 first_argument_type; |
| typedef _Arg2 second_argument_type; |
| typedef _Result result_type; |
| }; |
| |
| #endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) |
| |
| template <class _Arg1, class _Arg2, class _Result> struct __binary_function_keep_layout_base { |
| #if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS) |
| using first_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg1; |
| using second_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg2; |
| using result_type _LIBCPP_DEPRECATED_IN_CXX17 = _Result; |
| #endif |
| }; |
| |
| #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) |
| _LIBCPP_DIAGNOSTIC_PUSH |
| _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations") |
| template <class _Arg1, class _Arg2, class _Result> |
| using __binary_function = binary_function<_Arg1, _Arg2, _Result>; |
| _LIBCPP_DIAGNOSTIC_POP |
| #else |
| template <class _Arg1, class _Arg2, class _Result> |
| using __binary_function = __binary_function_keep_layout_base<_Arg1, _Arg2, _Result>; |
| #endif |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H |