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// mut_fun.h -*-c++-*-
//
// Copyright (C) 2005 Daniel Burrows
//
// This program 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.
//
// This program 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 this program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#ifndef MUT_FUN_H
#define MUT_FUN_H
/** \file mut_fun.h
*/
/** A functor that assigns a value to a variable when it is
* triggered.
*/
template<class T>
class _mut_fun_slot
{
T& target;
public:
_mut_fun_slot(T& _target):target(_target) {}
void operator()(const T& source) const {target=source;}
};
template<class T>
inline _mut_fun_slot<T> mut_fun(T& target)
{
return _mut_fun_slot<T>(target);
}
#endif // MUT_FUN_H
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