| public projectionIterator ( Traversable $iterator, callable $keyProjectionFunction = null, callable $valueProjectionFunction = null ) | ||
| $iterator | Traversable | |
| $keyProjectionFunction | callable | |
| $valueProjectionFunction | callable | |
public function projectionIterator(\Traversable $iterator, callable $keyProjectionFunction = null, callable $valueProjectionFunction = null)
{
return new ProjectionIterator($this->adapter($iterator), $keyProjectionFunction, $valueProjectionFunction);
}