def rd.wf
import bend-kit-runner@0.13.0.1/runner.bend as Runnerimport Base
814# The trie, when it is well formed as the never-selected laws assume.
815def rd.wf(-A: Data, ok: Bool, ds: Graves(A)) -> Dec(Graves(A)):
816 match ok:
817 case True{}:
818 Dec.pure(Graves(A), ds)
819 case False{}:
820 Dec.fail(Graves(A))