Class Salient\Iterator\MapIterator

`<TKey, TValue, TIterator is Traversable<TKey, TValue>, TReturn is TValue>`

`extends`	`IteratorIterator<TKey, TValue, TIterator>`

Iterates over an iterator, applying a callback to each value returned

Located at Toolkit/Iterator/MapIterator.php

Methods
`public`	`__construct(TIterator $iterator, callable(TValue, TKey, TIterator): TReturn $callback)`	#
`public`	`current(): TReturn` Overrides `IteratorIterator::current()`	#

Methods inherited from IteratorIterator
`getInnerIterator(), rewind(), valid(), key(), next()`