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
;