{"name":"Nothing","title":"Nothing","type":"topic","url":"https://community.bistudio.com/wiki/Nothing","revid":87135,"updated":"2014-12-22T17:42:31Z","aliases":[],"markdown":"An expression of type **Nothing** is no value. It cannot be assigned to a variable. It exists because each expression needs to return some value and needs to have some clearly identified type.\n\nIts presence can be checked using isNil.","sections":[{"heading":null,"level":1,"markdown":"An expression of type **Nothing** is no value. It cannot be assigned to a variable. It exists because each expression needs to return some value and needs to have some clearly identified type.\n\nIts presence can be checked using isNil."}],"categories":["Magic Types"],"groups":["Data Types"]}