sbuf? ( object -- ? )
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Vocabulary
sbufs

Inputs and outputs

object	an object
?	a boolean

Word description
Tests if the object is an instance of the sbuf class.

Definition

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

IN: sbufs

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