logical_or.h

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 * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de>
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#ifndef __logical_or_h__
#define __logical_or_h__

#include "mw/attributes/filter/logical_false.h"

namespace famouso {
    namespace mw {
        namespace attributes {
            namespace filter {

                template< typename A,
                          typename B,
                          typename C=logical_false,
                          typename D=logical_false,
                          typename E=logical_false
                        >
                struct logical_or {

                    template< typename T>
                    static bool apply(const T& e) {
                        return  A::apply(e) || B::apply(e) || C::apply(e) ||
                                D::apply(e) || E::apply(e);
                    }

                    template< typename T>
                    static bool apply(const A& a, const T &e, const B& b) {
                        return a(e) || b(e);
                    }

                    template< typename T>
                    bool operator () (const T& e) const {
                        return apply(e);
                    }
                };

            } /* filter */
        } /* attributes */
    } /* mw */
} /* famouso */
#endif