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mpl.hpp
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mpl.hpp
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/**
* @file mpl.hpp
* @brief Metaprogramming language implementation.
* @author seonho.oh@gmail.com
* @date 2013-11-01
* @version 1.0
*
* @section LICENSE
*
* Copyright (c) 2013-2015, Seonho Oh
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <ORGANIZATION> nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
namespace std {
//! Extend type_traits for template metaprogramming framework of compile-time algorithms, sequences and metafunctions.
//! Defines struct for "logical or"
template <bool _Test1, bool _Test2>
struct or_
: std::true_type
{
};
//! Specialization of "logical" or for false case.
template<>
struct or_<false, false>
: std::false_type
{
};
//! Defines struct for "logical and"
template <bool _Test1, bool _Test2>
struct and_
: std::false_type
{
};
//! Specialization of "logical and" for true case.
template <>
struct and_<true, true>
: std::true_type
{
};
}