public function isStackable($flag) {
		$settings = $this->getFlag($flag);

		return isset($settings) && (true === $settings['stackable']);
	}
public function isStackable($flag) {
		$settings = $this->getFlag($flag);

		return isset($settings) && (true === $settings['stackable']);
	}
public function isStackable ( $ flag ) { $ settings = $ this -> getFlag ( $ flag ) ; return isset ( $ settings ) && ( true === $ settings [ 'stackable' ] ) ; }
Returns true if the given flag is stackable.

@param mixed  $flag  Either a string representing the flag or an
cli\arguments\Argument object.
@return bool
Returns true if the given flag is stackable .