/**
* This method returns an item after removing it from the collection.
*
* @access public
* @final
* @param Core\Type $key the key associated with the
* item to be removed
* @return Core\Type the item removed
*/
public final function removeKey(Core\Type $key) : Core\Type
{
$hashCode = $key->__hashCode();
$item = IUnit\Type::instance();
if (array_key_exists($hashCode, $this->value)) {
$bucket = $this->value[$hashCode];
$buffer = array();
foreach ($bucket as $entry) {
if ($entry->first()->__ne($key)) {
$buffer[] = $entry;
} else {
$item = $entry->second();
}
}
if (empty($buffer)) {
unset($this->value[$hashCode]);
} else {
$this->value[$hashCode] = $buffer;
}
}
return $item;
}
/**
* This method evaluates whether the left operand is identical to the right operand.
*
* @access public
* @static
* @param Throwable\Runtime\Exception $x the left operand
* @param Core\Type $y the right operand
* @return IBool\Type whether the left operand is identical
* to the right operand
*/
public static function id(Throwable\Runtime\Exception $x, Core\Type $y)
{
// ===
if ($y !== null) {
if ($x->__typeOf() === $y->__typeOf()) {
return IBool\Type::box($x->__hashCode() === $y->__hashCode());
}
}
return IBool\Type::false();
}
/**
* This method returns the hash set with the item removed.
*
* @access public
* @final
* @param Core\Type $item the item to be removed
* @return IHashSet\Type the hash set
*/
public final function removeItem(Core\Type $item) : IHashSet\Type
{
$hashCode = $item->__hashCode();
if (array_key_exists($hashCode, $this->value)) {
$bucket = $this->value[$hashCode];
$type = $item->__typeOf();
$buffer = array();
foreach ($bucket as $entry) {
if ($type != $entry->__typeOf()) {
$buffer[] = $entry;
}
}
if (empty($buffer)) {
unset($this->value[$hashCode]);
} else {
$this->value[$hashCode] = $buffer;
}
}
return $this;
}
