HH\KeyedIterator
For those entities that are KeyedTraversable
, the KeyedIterator
interfaces provides the methods of iteration, included being able to get
the key
If a class implements KeyedIterator
, then it provides the infrastructure
to be iterated over using a foreach
loop.
Guides
Interface Synopsis
namespace HH;
interface KeyedIterator implements Iterator<Tv>, KeyedTraversable<Tk, Tv> {...}
Public Methods
->key(): Tk
Return the current key at the current iterator position