/**
* @param string $name
*
* @return SimpleSlot|null
*/
public function getSlot($name)
{
if (in_array($name, $this->cache->dirtySymbols, true)) {
for ($slot = $this->lastSlot; $slot !== null; $slot = $slot->parent) {
if ($slot->getName() === $name) {
return $slot;
}
}
}
return $this->cache->getSlot($name);
}
public static function createJoinOperation()
{
return new BinaryJoinOp(function (LinkedFlowScope $a, LinkedFlowScope $b) {
$a->frozen = true;
$b->frozen = true;
if ($a->optimize() === $b->optimize()) {
return $a->createChildFlowScope();
}
return new LinkedFlowScope(FlatFlowScopeCache::createFromLinkedScopes($a, $b));
});
}