£Á°èZ¨Ä…–K§‚«“ô4“ÒÙ´dîfUÙÃÅ WKbyʦ•êŽ…È®FÒ¿ÊÎóCozá¬S@6{Í:›œêZÌ:Š•_%:¢¾¾~;‘Ã~芩ÊǍí`ÔÑ©ú뙵'5I¿fš×WO%ø9¾«¾DK|€ùÍD”Ýs]nHÕ¶êםӼ㞪éUWŸÈË%DÒÕ¬ï‘]/Åcx ‰ï2ß]ä6G[]S£Ôϯrs{úëóµmÒï#UQxo·õÞCe]"±/aÙ&Eã4ú9Jé_ÞåëdãöKë)AÞ ¯¹ægƒÛowЍø^d™ý½ßB7áyMä9ÜÖUã !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > */ public function getNodeTypes() : array { return [BooleanNot::class]; } /** * @param BooleanNot $node */ public function refactor(Node $node) : ?Node { $depth = 0; $expr = $node->expr; while ($expr instanceof BooleanNot) { ++$depth; $expr = $expr->expr; } if ($depth === 0) { return null; } if ($depth % 2 === 0) { $node->expr = $expr; return $node; } return new Bool_($expr); } }