filter-map ( ... seq filter-quot: ( ... elt -- ... ? ) map-quot: ( obj -- obj' ) -- ... newseq )

Vocabulary

sequences.extras

Inputs

seq	a sequence
filter-quot	an object
map-quot	an object

Outputs

newseq

a sequence

Word description

Filter the given sequence with filter-quot, then perform a map on the filtered sequence with map-quot.

Definition

USING: kernel ;

IN: sequences.extras

: filter-map
    ( ... seq filter-quot: ( ... elt -- ... ? ) map-quot: ( obj -- obj' ) -- ... newseq )
    pick filter-map-as ; inline