lastn ( seq n -- elts... )

Vocabulary

sequences.generalizations

Inputs

seq	a sequence
n	an integer

Outputs

elts...

n elements on the datastack

Word description

A generalization of last and last2 that pushes the last n elements of a sequence on the stack.

Examples

Some core words expressed in terms of firstn:

last	1 lastn
last2	2 lastn

Definition

USING: kernel sequences ;

IN: sequences.generalizations

: lastn ( seq n -- elts... )
    [ tail-slice* ] [ firstn-unsafe ] bi ; inline