2filter-map-as* ( ... seq1 seq2 quot: ( ... elt1 elt2 -- ... obj ? ) exemplar -- ... newseq )

Vocabulary

sequences.extras

Inputs

seq1	an object
seq2	an object
quot	a quotation with stack effect ( ... elt1 elt2 -- ... obj ? )
exemplar	an object

Outputs

newseq

an object

Definition

USING: kernel sequences sequences.extras.private ;

IN: sequences.extras

: 2filter-map-as*
    ( ... seq1 seq2 quot: ( ... elt1 elt2 -- ... obj ? ) exemplar -- ... newseq )
    reach length over
    [ filter-mapper-for* [ 2each ] dip ] 2curry dip like ;
    inline