cut-slice* ( seq n -- before-slice after-slice )

Vocabulary

sequences

Inputs

seq	a sequence
n	a non-negative integer

Outputs

before-slice	a slice
after-slice	a slice

Word description

Outputs a pair of sequences, where after consists of the last n elements of seq, while before-slice is a slice of the remaining elements.

Notes

Unlike cut*, this is suitable for use in an iterative algorithm which cuts successive pieces off a sequence.

See also

cut, cut*, cut-slice

Definition

USING: kernel ;

IN: sequences

: cut-slice* ( seq n -- before-slice after-slice )
    [ head-slice* ] [ tail-slice* ] 2bi ;