Vocabulary
kernel

Inputs and outputs

x	an object
y	an object
quot	a quotation with stack effect ( ... obj -- ... ? )
?	a boolean

Word description
Tests if the quotation yields a true value when applied to both x and y.

Examples

USING: kernel math prettyprint ; 3 5 [ odd? ] both? .
t

USING: kernel math prettyprint ; 12 7 [ even? ] both? .
f

Definition

IN: kernel

: both? ( x y quot -- ? ) bi@ and ; inline