assoc-subset? ( assoc1 assoc2 -- ? )
Factor handbook » The language » Collections » Associative mapping operations » Set-theoretic operations on assocs

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assoc-intersect ( assoc1 assoc2 -- intersection )

Vocabulary
assocs

Inputs

assoc1	an assoc
assoc2	an assoc

Outputs

?

a boolean

Word description
Tests if assoc2 contains all key/value pairs of assoc1.

Definition

USING: kernel ;

IN: assocs

: assoc-subset? ( assoc1 assoc2 -- ? )
    [ [ swap ] ] dip [ at* [ = ] [ 2drop f ] if ] curry compose
    assoc-all? ;