std::experimental::ranges::Boolean

 

C++

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Technical specifications

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Core language concepts
Same DerivedFrom ConvertibleTo	CommonReference Common	Integral SignedIntegral UnsignedIntegral	Assignable Swappable
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Boolean	WeaklyEqualityComparable	EqualityComparable	StrictTotallyOrdered
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InvocableRegularInvocable	Predicate	Relation	StrictWeakOrder
URNG concept
UniformRandomNumberGenerator

 

Defined in header <experimental/ranges/concepts>
template <class B> concept bool Boolean() {     return ranges::MoveConstructible<B>() &&            requires(const B b1, const B b2, const bool a) {                bool(b1);                { b1 } -> bool;                bool(!b1);                { !b1 } -> bool;                { b1 && b2 } -> ranges::Same<bool>;                { b1 && a }  -> ranges::Same<bool>;                { a && b1 }  -> ranges::Same<bool>;                { b1 || b2 } -> ranges::Same<bool>;                { b1 || a }  -> ranges::Same<bool>;                { a || b1 }  -> ranges::Same<bool>;                { b1 == b2 } -> bool;                { b1 != b2 } -> bool;                { b1 == a }  -> bool;                { a == b1 }  -> bool;                { b1 != a }  -> bool;                { a != b1 }  -> bool;           }; }		(ranges TS)