Saf/Algo/Basic.h

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/*
    This file is part of Simple Application Framework (Saf) library.
    Copyright (C) 2010 - 2012 Ondrej Danek <ondrej.danek@gmail.com>

    This library 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 3 of the License, or
    (at your option) any later version.

    Saf 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 Simple Application Framework library. If not, 
    see <http://www.gnu.org/licenses/>.
*/

#ifndef SAF_ALGO_BASIC_H
#define SAF_ALGO_BASIC_H

#include "Function.h"

namespace Saf
{
    namespace Algo
    {
        template <class T>
        struct Identity
            : public UnaryFunction<T, T>
        {
            T& operator()(T& val) const
            {
                return val;
            }

            const T& operator()(const T& val) const
            {
                return val;
            }
        };
    }
}

#endif