23 Ranges library [ranges]

23.8 Range adaptors [range.adaptors]

23.8.11 Reverse view [range.reverse]

23.8.11.3 view​::​reverse [range.reverse.adaptor]

The name view::reverse denotes a range adaptor object.
For some subexpression E, the expression view::reverse(E) is expression-equivalent to reverse_­view{E}.