/usr/include/rheolef/pair_util.h is in librheolef-dev 6.5-1+b1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | #ifndef _RHEOLEF_PAIR_UTIL_H
#define _RHEOLEF_PAIR_UTIL_H
///
/// This file is part of Rheolef.
///
/// Copyright (C) 2000-2009 Pierre Saramito <Pierre.Saramito@imag.fr>
///
/// Rheolef is free software; you can redistribute it and/or modify
/// it under the terms of the GNU General Public License as published by
/// the Free Software Foundation; either version 2 of the License, or
/// (at your option) any later version.
///
/// Rheolef is distributed in the hope that it will be useful,
/// but WITHOUT ANY WARRANTY; without even the implied warranty of
/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/// GNU General Public License for more details.
///
/// You should have received a copy of the GNU General Public License
/// along with Rheolef; if not, write to the Free Software
/// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
///
/// =========================================================================
// usefull class-functions for scanning containers of std::pair<T1,T2>
#include <utility> // for std::pair
#include <functional> // for std::unary_function
#include <iostream> // for debug
namespace rheolef {
template <class T1, class T2>
struct get_first : std::unary_function<std::pair<T1,T2>, T1> {
T1 operator() (const std::pair<T1,T2>& x) const { return x.first; }
};
template <class T1, class T2>
struct get_second : std::unary_function<std::pair<T1,T2>, T2> {
T2 operator() (const std::pair<T1,T2>& x) const { return x.second; }
};
template<typename InputPairIterator, typename OutputPairIterator, typename UnaryOperation>
OutputPairIterator
pair_transform_second (
InputPairIterator first,
InputPairIterator last,
OutputPairIterator result,
UnaryOperation unary_op)
{
for (; first != last; ++first, ++result)
(*result).second = unary_op ((*first).second);
return result;
}
#ifndef TO_CLEAN
template <class T1, class T2>
std::ostream&
operator<< (std::ostream& out, const std::pair<T1,T2>& x)
{
return out << "pair("<<x.first<<","<<x.second<<")";
}
#endif // TO_CLEAN
} // namespace rheolef
#endif // _RHEOLEF_PAIR_UTIL_H
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