count = $count;
$this->generator = $generator;
}
/**
* Get an iterator from the generator.
*
* @return mixed
*/
public function getIterator()
{
return ($this->generator)();
}
/**
* Get the total number of tagged services.
*
* @return int
*/
public function count()
{
if (is_callable($count = $this->count)) {
$this->count = $count();
}
return $this->count;
}
}