value-at ( value assoc -- key/f )
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value-at* ( value assoc -- key/f ? )

Vocabulary
assocs

Inputs

value	an object
assoc	an assoc

Outputs

key/f

the key associated to the value or f

Word description
Looks up the key associated with a value. No distinction is made between a missing key and a key set to f.

Definition

USING: kernel ;

IN: assocs

: value-at ( value assoc -- key/f ) value-at* drop ;