23 Ranges library [ranges]

23.7 Range factories [range.factories]

23.7.1 Empty view [range.empty]

23.7.1.1 Overview [range.empty.overview]

empty_­view produces a View of no elements of a particular type.
[Example
:
empty_view<int> e;
static_assert(ranges::empty(e));
static_assert(0 == e.size());
end example
]