std::experimental::ranges::Sortable

 

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template< class I, class R = ranges::less<>, class P = ranges::identity > concept bool Sortable =     Permutable<I> &&     IndirectStrictWeakOrder<R, ranges::projected<I, P>>;		(ranges TS)

The Sortable concept specifies the common requirements of algorithms that permute sequences into ordered sequences (for example, ranges::sort).