parse-result? ( object -- ? )

Vocabulary

parser-combinators

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the parse-result class.

Definition

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

IN: parser-combinators

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