traits: Fix Any and add Enable-/DisableIfAny
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@ -21,6 +21,9 @@ using Not = Bool<!T::value>;
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template <typename... T>
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struct Any : Bool<false> {};
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template <typename Head, typename... Tail>
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struct Any<Head, Tail...> : Conditional<Head, Bool<true>, Any<Tail...> > {};
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template <typename... T>
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struct All : Bool<true> {};
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@ -33,6 +36,12 @@ using EnableIf = typename std::enable_if<All<Condition...>::value, Detail::Enabl
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template <typename... Condition>
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using DisableIf = typename std::enable_if<!All<Condition...>::value, Detail::Enabler>::type;
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template <typename... Condition>
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using EnableIfAny = typename std::enable_if<Any<Condition...>::value, Detail::Enabler>::type;
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template <typename... Condition>
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using DisableIfAny = typename std::enable_if<!Any<Condition...>::value, Detail::Enabler>::type;
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}
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#endif // CPP_UTILITIES_TRAITS_H
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