windowed-sequence? ( object -- ? )

Vocabulary

sequences.windowed

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the windowed-sequence class.

Definition

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

IN: sequences.windowed

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