product-map ( ... sequences quot: ( ... seq -- ... value ) -- ... sequence )
Product sequences

Prev:	<product-sequence> ( sequences -- product-sequence )
Next:	product-map-as ( ... sequences quot: ( ... seq -- ... value ) exemplar -- ... sequence )

Vocabulary
sequences.product

Inputs

sequences	a sequence
quot	a quotation with stack effect ( ... seq -- ... value )

Outputs

sequence

a sequence

Word description
Calls quot for every element of the cartesian product of sequences and collects the results from quot into an output sequence.

Notes
[ ... ] product-map is equivalent to, but more efficient than, <product-sequence> [ ... ] map.

See also
product-each, product-find

Definition

USING: kernel ;

IN: sequences.product

: product-map
    ( ... sequences quot: ( ... seq -- ... value ) -- ... sequence )
    over product-map-as ; inline