Stephen Seo
a008830373
All source files in src/EC now has some text describing attribution notice to the original work this work derives from.
39 lines
996 B
C++
39 lines
996 B
C++
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// This work derives from Vittorio Romeo's code used for cppcon 2015 licensed under the Academic Free License.
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// His code is available here: https://github.com/SuperV1234/cppcon2015
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#ifndef EC_META_CONTAINS_HPP
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#define EC_META_CONTAINS_HPP
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#include <type_traits>
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#include "TypeList.hpp"
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namespace EC
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{
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namespace Meta
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{
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template <typename T, typename... Types>
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struct ContainsHelper :
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std::false_type
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{
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};
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template <typename T, template <typename...> class TTypeList, typename Type, typename... Types>
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struct ContainsHelper<T, TTypeList<Type, Types...> > :
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std::conditional<
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std::is_same<T, Type>::value,
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std::true_type,
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ContainsHelper<T, TTypeList<Types...> >
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>::type
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{
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};
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template <typename T, typename TTypeList>
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using Contains = std::integral_constant<bool, ContainsHelper<T, TTypeList>::value>;
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}
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}
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#endif
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