glyph-region? ( object -- ? )

Vocabulary

core-text

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the glyph-region class.

Definition

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

IN: core-text

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