bad-superclass ( class -- * )

Vocabulary

classes.tuple

Error description

Thrown if an attempt is made to subclass a class that is not a tuple class, or a tuple class declared final.

Definition

IN: classes.tuple

ERROR: bad-superclass class ;

Methods

USING: classes.tuple kernel summary ;

M: bad-superclass summary
    drop
    "Tuple classes can only inherit from non-final tuple classes"
    ;