/**
* This method unsubscribes a listener.
*
* @access public
* @static
* @param IHashMap\Type $xs the left operand
* @param ITuple\Type $entry a tuple containing the key and listener
* @return IHashMap\Type the map
*/
public static function unsubscribe(IHashMap\Type $xs, ITuple\Type $entry) : IHashMap\Type
{
$k = $entry->first();
if ($xs->__hasKey($k)) {
$ys = ILinkedList\Module::delete($xs->item($k), $entry->second());
$zs = IHashMap\Module::putEntry($xs, ITuple\Type::box2($k, $ys));
return $zs;
}
return $xs;
}
/**
* This method tests the "delete" method.
*
* @dataProvider data_delete
*/
public function test_delete(array $provided, array $expected)
{
$p0 = ILinkedList\Type::make($provided[0], '\\Saber\\Data\\IInt32\\Type');
$p1 = IInt32\Type::box($provided[1]);
$r0 = ILinkedList\Module::delete($p0, $p1);
$e0 = $expected[0];
$this->assertInstanceOf('\\Saber\\Data\\ILinkedList\\Type', $r0);
$this->assertSame($e0, $r0->unbox(1));
}
