/*!
* \file integral.h
* \brief Template meta-programming integral constant
*
* Copyright (C) 2018 Christos Choutouridis
*
* This program 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 3
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see .
*/
#ifndef __utl_meta_integral_h__
#define __utl_meta_integral_h__
#include
/*!
* \ingroup meta
* \defgroup integral
* integral constand support header
*/
//! @{
namespace utl {
//! integral_constant
template
struct integral_ {
using value_type = _Tp;
using type = integral_<_Tp, _v>;
constexpr operator value_type() const {
return value;
}
constexpr value_type operator()() const {
return value;
}
static constexpr _Tp value = _v;
};
template
constexpr _Tp integral_<_Tp, _v>::value;
}
//!@}
#endif /* __utl_meta_integral_h__ */