24 lines
635 B
C
24 lines
635 B
C
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/* This file is part of the mp project.
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* Copyright (c) 2020 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#pragma once
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#include <type_traits>
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namespace mp {
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/// Is type T an instance of template class C?
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template <template <class...> class, class>
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struct is_instance_of_template : public std::false_type {};
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template <template <class...> class C, class... As>
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struct is_instance_of_template<C, C<As...>> : public std::true_type {};
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/// Is type T an instance of template class C?
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template<template <class...> class C, class T>
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constexpr bool is_instance_of_template_v = is_instance_of_template<C, T>::value;
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} // namespace mp
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