cartesian-map ( ... seq1 seq2 quot: ( ... elt1 elt2 -- ... newelt ) -- ... newseq )
Factor handbook » The language » Collections » Sequence operations » Cartesian product operations

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Vocabulary
sequences

Inputs

seq1	a sequence
seq2	a sequence
quot	a quotation with stack effect ( ... elt1 elt2 -- ... newelt )

Outputs

newseq

a new sequence of sequences

Word description
Applies the quotation to every possible pairing of elements from the two sequences, collecting results into a new sequence of sequences.

See also
cartesian-find, cartesian-each, cartesian-product, cartesian-product-as

Definition

USING: kernel ;

IN: sequences

: cartesian-map
    ( ... seq1 seq2 quot: ( ... elt1 elt2 -- ... newelt ) -- ... newseq )
    [ with { } map-as ] 2curry { } map-as ; inline