std::ranges::ViewableRange
Defined in header <ranges> | ||
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template<class T>
concept ViewableRange =
Range<T> && (__ForwardingRange<T> || View<std::decay_t<T>>);
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The ViewableRange concept is a refinement of Range that describes a range that can be safely converted into a View.
(note __ForwardingRange is the exposition-only concept defined in Range).
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