def found
import bend-kit-migrate@0.3.0.0/migrate.bend as Migrateimport Base
484def found(-A: Data, m: Maybe<&2, A>, k: Key) -> Result<&1, &1, Error, A>:
485 match m:
486 case Some{x}:
487 Done{x}
488 case None{}:
489 Fail{BadField{k}}