22 lines
576 B
C++
22 lines
576 B
C++
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// This file is part of the mcl project.
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// Copyright (c) 2022 merryhime
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// SPDX-License-Identifier: MIT
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#pragma once
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#include <type_traits>
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#include "mcl/mp/metavalue/value.hpp"
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namespace mcl::mp {
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/// Conditionally select between types T and F based on boolean metavalue V
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template<class V, class T, class F>
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using logic_if = std::conditional_t<bool(V::value), T, F>;
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/// Conditionally select between metavalues T and F based on boolean metavalue V
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template<class V, class TV, class FV>
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constexpr auto logic_if_v = logic_if<V, TV, FV>::value;
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} // namespace mcl::mp
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