std::experimental::ranges:: InputIterator

From cppreference.com
template < class I >

concept bool InputIterator =
Iterator < I > && Readable < I > &&
requires { typename ranges :: iterator_category_t < I > ; } &&

DerivedFrom < ranges :: iterator_category_t < I > , ranges :: input_iterator_tag > ;
(ranges TS)

The InputIterator concept is a refinement of Iterator , adding the requirement that the referenced values can be read (via Readable ) and the requirement that the iterator category tag be present.

Notes

Unlike the input iterator requirements in the C++ standard, InputIterator in the Ranges TS does not require EqualityComparable .