sift-values ( assoc -- assoc' )
Factor handbook » The language » Collections » Associative mapping operations » Associative mapping combinators

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Vocabulary
assocs

Inputs

assoc

an assoc

Outputs

assoc'

a new assoc

Word description
Outputs an assoc removing values that are f.

Examples

USING: prettyprint assocs hashtables ; H{ { 1 f } { 3 4 } } sift-values .
H{ { 3 4 } }

See also
sift-keys, harvest-keys, harvest-values

Definition

USING: kernel ;

IN: assocs

: sift-values ( assoc -- assoc' ) [ nip ] assoc-filter ; inline