Vocabulary
assocs

Inputs and outputs

assoc	an assoc
quot	a quotation
true-assoc	an assoc
false-assoc	an assoc

Word description
Calls a predicate quotation on each key of the input assoc. If the test yields true, the key/value pair is added to true-assoc; if false, it's added to false-assoc.

Definition

USING: assocs.private kernel sequences ;

IN: assocs

: assoc-partition
( ... assoc quot: ( ... key value -- ... ? ) -- ... true-assoc false-assoc )
[ (assoc-each) partition ] [ drop ] 2bi
[ assoc-like ] curry bi@ ; inline