xref: /openbsd-src/gnu/llvm/libcxx/include/__functional/binder2nd.h (revision 4bdff4bed0e3d54e55670334c7d0077db4170f86)
176d0caaeSpatrick // -*- C++ -*-
276d0caaeSpatrick //===----------------------------------------------------------------------===//
376d0caaeSpatrick //
476d0caaeSpatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
576d0caaeSpatrick // See https://llvm.org/LICENSE.txt for license information.
676d0caaeSpatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
776d0caaeSpatrick //
876d0caaeSpatrick //===----------------------------------------------------------------------===//
976d0caaeSpatrick 
1076d0caaeSpatrick #ifndef _LIBCPP___FUNCTIONAL_BINDER2ND_H
1176d0caaeSpatrick #define _LIBCPP___FUNCTIONAL_BINDER2ND_H
1276d0caaeSpatrick 
1376d0caaeSpatrick #include <__config>
1476d0caaeSpatrick #include <__functional/unary_function.h>
1576d0caaeSpatrick 
1676d0caaeSpatrick #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
1776d0caaeSpatrick #  pragma GCC system_header
1876d0caaeSpatrick #endif
1976d0caaeSpatrick 
2076d0caaeSpatrick _LIBCPP_BEGIN_NAMESPACE_STD
2176d0caaeSpatrick 
2276d0caaeSpatrick #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
2376d0caaeSpatrick 
2476d0caaeSpatrick template <class __Operation>
2576d0caaeSpatrick class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binder2nd
26*4bdff4beSrobert     : public __unary_function<typename __Operation::first_argument_type, typename __Operation::result_type>
2776d0caaeSpatrick {
2876d0caaeSpatrick protected:
2976d0caaeSpatrick     __Operation                                op;
3076d0caaeSpatrick     typename __Operation::second_argument_type value;
3176d0caaeSpatrick public:
3276d0caaeSpatrick     _LIBCPP_INLINE_VISIBILITY
binder2nd(const __Operation & __x,const typename __Operation::second_argument_type __y)3376d0caaeSpatrick     binder2nd(const __Operation& __x, const typename __Operation::second_argument_type __y)
3476d0caaeSpatrick         : op(__x), value(__y) {}
operator()3576d0caaeSpatrick     _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
3676d0caaeSpatrick         (      typename __Operation::first_argument_type& __x) const
3776d0caaeSpatrick             {return op(__x, value);}
operator()3876d0caaeSpatrick     _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
3976d0caaeSpatrick         (const typename __Operation::first_argument_type& __x) const
4076d0caaeSpatrick             {return op(__x, value);}
4176d0caaeSpatrick };
4276d0caaeSpatrick 
4376d0caaeSpatrick template <class __Operation, class _Tp>
4476d0caaeSpatrick _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY
4576d0caaeSpatrick binder2nd<__Operation>
bind2nd(const __Operation & __op,const _Tp & __x)4676d0caaeSpatrick bind2nd(const __Operation& __op, const _Tp& __x)
4776d0caaeSpatrick     {return binder2nd<__Operation>(__op, __x);}
4876d0caaeSpatrick 
4976d0caaeSpatrick #endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
5076d0caaeSpatrick 
5176d0caaeSpatrick _LIBCPP_END_NAMESPACE_STD
5276d0caaeSpatrick 
5376d0caaeSpatrick #endif // _LIBCPP___FUNCTIONAL_BINDER2ND_H
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