/**
* @param string|NameNode|TokenNode $type_hint
* @return $this
*/
public function setTypeHint($type_hint)
{
if (is_string($type_hint)) {
$type = $type_hint;
switch ($type) {
case 'array':
$type_hint = Token::_array();
break;
case 'callable':
$type_hint = Token::_callable();
break;
default:
$type_hint = NameNode::create($type);
break;
}
}
if ($type_hint) {
if (isset($this->typeHint)) {
$this->typeHint->replaceWith($type_hint);
} else {
$this->typeHint = $type_hint;
$this->prepend([$this->typeHint, Token::space()]);
}
} else {
$this->typeHint->remove();
}
return $this;
}