Commit 895ac9b3 authored by Dennis Gläser's avatar Dennis Gläser
Browse files

[common] add typetraits header

parent ef93c5cf
......@@ -4,4 +4,5 @@ extractdimension.hh
id.hh
math.hh
promotedtype.hh
typetraits.hh
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/frackit/common)
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*****************************************************************************
* See the file COPYING for full copying permissions. *
* *
* 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. If not, see <http://www.gnu.org/licenses/>. *
*****************************************************************************/
/*!
* \file
* \brief Defines classes to obtain type information at compile-time.
*/
#ifndef FRACKIT_COMMON_TYPE_TRAITS_HH
#define FRACKIT_COMMON_TYPE_TRAITS_HH
#include <type_traits>
namespace Frackit {
/*!
* \brief Helper struct to detect if a type T
* is contained in a parameter pack Ts
* \tparam T The type of which an ocurrence in the pack is to be checked
* \tparam Ts The parameter pack
*/
template<class T, class... Ts>
struct Contains : std::disjunction<std::is_same<T, Ts>...> {};
} // end namespace Frackit
#endif // FRACKIT_COMMON_TYPE_TRAITS_HH
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