std::experimental::ranges::Range
From cppreference.com
< cpp | experimental | ranges
| Defined in header <experimental/ranges/range>
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| template< class T > concept bool Range = |
(ranges TS) | |
Given an lvalue t of type std::remove_reference_t<T>, Range<T> is satisfied only if
-
[ranges::begin(t),ranges::end(t))denotes a range; and - both ranges::begin(t) and ranges::end(t) are amortized constant time and non-modifying.
- If ranges::iterator_t<T> satisfies
ForwardIterator, ranges::begin(t) is equality preserving.