ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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type_traits.hpp
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/*
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* Copyright (C) 2010-2022 The ESPResSo project
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*
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* This file is part of ESPResSo.
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*
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* ESPResSo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ESPResSo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UTILS_TYPE_TRAITS_HPP
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#define UTILS_TYPE_TRAITS_HPP
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#include <climits>
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#include <cstddef>
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#include <type_traits>
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namespace
Utils
{
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/**
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* @brief Remove const from a function signature.
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*/
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template
<
typename
T>
struct
function_remove_const
;
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template
<
typename
R,
typename
... Args>
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struct
function_remove_const
<R(Args...)> {
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using
type
= R(Args...);
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};
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template
<
typename
R,
typename
... Args>
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struct
function_remove_const
<R(Args...) const> {
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using
type
= R(Args...);
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};
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template
<
class
...>
struct
conjunction
: std::true_type {};
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template
<
class
B1>
struct
conjunction<B1>
: B1 {};
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template
<
class
B1,
class
... Bn>
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struct
conjunction
<B1, Bn...>
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: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
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/**
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* @brief Size of a type in bits.
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*
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* On posix platforms this is 8 * sizeof(T).
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*/
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template
<
class
T>
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struct
size_in_bits
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: std::integral_constant<std::size_t, CHAR_BIT * sizeof(T)> {};
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}
// namespace Utils
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#endif
Utils
Definition
Variant.hpp:40
Utils::conjunction
Definition
type_traits.hpp:43
Utils::function_remove_const< R(Args...) const >::type
R(Args...) type
Definition
type_traits.hpp:40
Utils::function_remove_const< R(Args...)>::type
R(Args...) type
Definition
type_traits.hpp:35
Utils::function_remove_const
Remove const from a function signature.
Definition
type_traits.hpp:31
Utils::size_in_bits
Size of a type in bits.
Definition
type_traits.hpp:56
src
utils
include
utils
type_traits.hpp
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