MerryMage 8f2dcd3e21 externals: Update mp to 649fde1
Merge commit '1925d4dcc65df310c7a6677ff2e9520c002fc031' into HEAD
2020-04-22 21:06:56 +01:00

32 lines
736 B
C++

/* This file is part of the mp project.
* Copyright (c) 2020 MerryMage
* SPDX-License-Identifier: 0BSD
*/
#pragma once
#include <cstddef>
#include <type_traits>
namespace mp {
/// A metavalue (of type VT and value v).
template<class VT, VT v>
using value = std::integral_constant<VT, v>;
/// A metavalue of type std::size_t (and value v).
template<std::size_t v>
using size_value = value<std::size_t, v>;
/// A metavalue of type bool (and value v). (Aliases to std::bool_constant.)
template<bool v>
using bool_value = value<bool, v>;
/// true metavalue (Aliases to std::true_type).
using true_type = bool_value<true>;
/// false metavalue (Aliases to std::false_type).
using false_type = bool_value<false>;
} // namespace mp