twin-primes? ( x y -- ? )

Vocabulary

math.primes.twins

Inputs

x	an object
y	an object

Outputs

?

an object

Definition

USING: combinators.short-circuit kernel math math.primes ;

IN: math.primes.twins

: twin-primes? ( x y -- ? )
    { [ - abs 2 = ] [ nip prime? ] [ drop prime? ] } 2&& ;