63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Copyright (c) 1996-1998
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* Silicon Graphics Computer Systems, Inc.
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*
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* Copyright (c) 1997
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* Moscow Center for SPARC Technology
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*
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* Copyright (c) 1999
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* Boris Fomitchev
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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/*
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* Lifted and paraphrased from STLport - with additions from Fridrich
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* Strba and Thorsten Behrens
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*/
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#ifndef INCLUDED_O3TL_FUNCTIONAL_HXX
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#define INCLUDED_O3TL_FUNCTIONAL_HXX
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namespace o3tl
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{
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/// Select first value of a pair
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template<typename P>
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struct select1st
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{
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typedef P argument_type;
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typedef typename P::first_type result_type;
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const result_type& operator()( const argument_type& cp ) const {
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return cp.first;
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}
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};
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/// Select second value of a pair
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template<typename P>
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struct select2nd
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{
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typedef P argument_type;
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typedef typename P::second_type result_type;
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const result_type& operator()( const argument_type& cp ) const {
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return cp.second;
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}
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};
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} // namespace o3tl
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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