assoc-diff ( assoc1 assoc2 -- diff )
Factor documentation > Factor handbook > The language > Collections > Associative mapping operations > Set-theoretic operations on assocs
Prev:assoc-union ( assoc1 assoc2 -- union )
Next:substitute ( seq assoc -- newseq )


Vocabulary
assocs

Inputs and outputs
assoc1an assoc
assoc2an assoc
diffa new assoc


Word description
Outputs an assoc consisting of all entries from assoc1 whose key is not contained in assoc2.

Definition
IN: assocs

: assoc-diff ( assoc1 assoc2 -- diff )
assoc-differ assoc-filter ;