[range.empty.overview] (original) (raw)
25 Ranges library [ranges]
25.6 Range factories [range.factories]
25.6.2 Empty view [range.empty]
25.6.2.1 Overview [range.empty.overview]
empty_view produces a view of no elements of a particular type.
[Example 1: auto e = views::empty<int>;static_assert(ranges::empty(e));static_assert(0 == e.size()); — _end example_]