smart-reduce ( reduce-quots -- quot )

Vocabulary

combinators.smart

Inputs

reduce-quots

a sequence

Outputs

None

Word description

A version of reduce that takes a sequence of { identity reduce-quot } pairs, returning the reduce result for each pair.

Definition

USING: assocs generalizations kernel sequences ;

IN: combinators.smart

MACRO: smart-reduce ( reduce-quots -- quot )
    unzip [ [ ] like ] bi@ dup length dup
    [ [ cleave-curry ] curry compose ] dip [ spread* ] curry
    compose [ [ dip ] curry ] dip [ each ] curry compose ;