interface ref _MapIter[K: Any #share, V: Any #share, H: HashFunction[K] val] is Iterator[(_MapEntry[K, V, H] val | _MapIter[K, V, H] ref)] ref
fun ref has_next() : Bool val
fun ref next() : (_MapEntry[K, V, H] val | _MapIter[K, V, H] ref) ?
© 2016-2018, The Pony Developers
© 2014-2015, Causality Ltd.
Licensed under the BSD 2-Clause License.
https://stdlib.ponylang.io/collections-persistent-_MapIter