/**
* Get return type tag
*
* @throws Exception\InvalidArgumentException
* @return DocBlock\Tag\ReturnTag
*/
public function getReturn()
{
$docBlock = $this->getDocBlock();
if (!$docBlock->hasTag('return')) {
throw new Exception\InvalidArgumentException('Function does not specify an @return annotation tag; cannot determine return type');
}
$tag = $docBlock->getTag('return');
$return = DocBlockReflection::factory('@return ' . $tag->getDescription());
return $return;
}
