tree-node? ( object -- ? )

Vocabulary

benchmark.binary-trees

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the tree-node class.

Definition

USING: classes.tuple.private kernel slots.private ;

IN: benchmark.binary-trees

: tree-node? ( object -- ? )
    dup tuple?
    [ layout-of 7 slot \ tree-node eq? ] [ drop f ] if ;