assoc-filter ( ... assoc quot: ( ... key value -- ... ? ) -- ... subassoc )

assoc-filter ( ... assoc quot: ( ... key value -- ... ? ) -- ... subassoc )
Factor documentation > Factor handbook > The language > Collections > Associative mapping operations > Associative mapping combinators

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Vocabulary
assocs

Inputs and outputs

assoc	an assoc
quot	a quotation with stack effect ( ... key value -- ... ? )
subassoc	a new assoc

Word description
Outputs an assoc of the same type as assoc consisting of all entries for which the predicate quotation yields true.

See also
assoc-filter-as, assoc-filter!

Definition

USING: kernel ;

IN: assocs

: assoc-filter
    ( ... assoc quot: ( ... key value -- ... ? ) -- ... subassoc )
    over assoc-filter-as ; inline