forked from OSchip/llvm-project
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
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// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___FUNCTIONAL_BINDER2ND_H
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#define _LIBCPP___FUNCTIONAL_BINDER2ND_H
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#include <__config>
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#include <__functional/unary_function.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
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template <class __Operation>
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class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binder2nd
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: public unary_function<typename __Operation::first_argument_type,
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typename __Operation::result_type>
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{
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protected:
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__Operation op;
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typename __Operation::second_argument_type value;
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public:
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_LIBCPP_INLINE_VISIBILITY
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binder2nd(const __Operation& __x, const typename __Operation::second_argument_type __y)
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: op(__x), value(__y) {}
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_LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
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( typename __Operation::first_argument_type& __x) const
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{return op(__x, value);}
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_LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
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(const typename __Operation::first_argument_type& __x) const
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{return op(__x, value);}
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};
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template <class __Operation, class _Tp>
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_LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY
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binder2nd<__Operation>
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bind2nd(const __Operation& __op, const _Tp& __x)
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{return binder2nd<__Operation>(__op, __x);}
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#endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___FUNCTIONAL_BINDER2ND_H
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