24 Ranges library [ranges]

24.6 Range factories [range.factories]

24.6.1 Empty view [range.empty]

24.6.1.1 Overview [range.empty.overview]

1
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empty_­view produces a view of no elements of a particular type.
2
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[ Example
: 
empty_view<int> e;
static_assert(ranges::empty(e));
static_assert(0 == e.size());
— end example
 ]