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/*
* Copyright 2003 - 2016, The libsigc++ Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SIGC_ADAPTORS_DEDUCE_RESULT_TYPE_H
#define SIGC_ADAPTORS_DEDUCE_RESULT_TYPE_H
namespace sigc
{
// TODO: Is this necessary now that we don't need deduce_result_type?
/** A hint to the compiler.
* Functors which have all methods based on templates
* should publicly inherit from this hint.
*
* Adaptors don't inherit from this type directly. They use
* use sigc::adapts as a base type instead. sigc::adaptors
* wraps arbitrary functor types as well as function pointers
* and class methods.
*
* @ingroup adaptors
*/
struct adaptor_base
{
};
} /* namespace sigc */
#endif /* SIGC_ADAPTORS_DEDUCE_RESULT_TYPE_H */
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