interval-constraint? ( object -- ? ) (original) (raw)
interval-constraint? ( object -- ? )
Vocabulary
compiler.tree.propagation.constraints
Inputs and outputs
object | an object |
---|---|
? | a boolean |
Word description
Tests if the object is an instance of the interval-constraint class.
Definition
USING: classes.tuple.private kernel slots.private ;
IN: compiler.tree.propagation.constraints
: interval-constraint? ( object -- ? )
dup tuple?
[ layout-of 7 slot \ interval-constraint eq? ] [ drop f ] if
;