assoc-partition ( ... assoc quot: ( ... key value -- ... ? ) -- ... true-assoc false-assoc )
Factor handbook » The language » Collections » Associative mapping operations » Associative mapping combinators

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Vocabulary
assocs

Inputs

assoc	an assoc
quot	a quotation

Outputs

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-operator partition ] [ drop ] 2bi
    [ assoc-like ] curry bi@ ; inline