27 Iterators library [iterators]

27.5 Iterator adaptors [predef.iterators]

27.5.3 Move iterators [move.iterators]

27.5.3.2 move_­iterator requirements [move.iter.requirements]

The template parameter Iterator shall meet the requirements for an input iterator.
Additionally, if any of the bidirectional or random access traversal functions are instantiated, the template parameter shall meet the requirements for a Bidirectional Iterator or a Random Access Iterator, respectively.