プリミティブおよびクラス データ型の NULL 値。
説明
例
例 | |
|| Determine if a variable with a class type has || an assigned object (when it does not). {value let x:#VBox x == null } || Determine if a variable with a class type has || an assigned object (when it does). {value let x:#VBox = {VBox} x == null } || Detach a variable with a class type from an || assigned object. {value let x:#VBox = {VBox} set x = null x == null } |