filter-length ( seq n -- seq' )

Vocabulary

sequences.extras

Inputs

seq	a sequence
n	an integer

Outputs

seq'	a sequence

Word description

Push a sequence that contains all elements of seq that have length n.

Definition

USING: kernel sequences ;

IN: sequences.extras

: filter-length ( seq n -- seq' )
    [ [ length ] ] dip [ = ] curry compose filter ;