/**
* @param mixed $x
* @return bool
*/
public function remove($x)
{
$hash = $this->eqComparer->hash($x);
if (array_key_exists($hash, $this->elements)) {
unset($this->elements[$hash]);
return true;
} else {
return false;
}
}
/**
* @param array|\Iterator|\IteratorAggregate $rhs
* @return bool
*/
public function sequenceEquals($rhs)
{
$eqComparer = EqualityComparerResolver::resolve(null, EqualityComparer::getDefault());
$lhs = $this->getIterator();
$rhs = IteratorUtil::iterator($rhs);
if ($lhs instanceof \Countable && $rhs instanceof \Countable) {
if ($lhs->count() !== $rhs->count()) {
return false;
}
}
$lhs->rewind();
$rhs->rewind();
while ($lhs->valid()) {
$v0 = $lhs->current();
if ($rhs->valid()) {
$v1 = $rhs->current();
if (!$eqComparer->equals($v0, $v1)) {
return false;
}
$rhs->next();
} else {
return false;
}
$lhs->next();
}
return true;
}