number? ( object -- ? )

Vocabulary

math

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the number class.

Definition

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

IN: math

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