Proof.fail_done: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/kdf/proof.bend as Proof
Lines 29-30 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/kdf/proof.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/kdf/proof.bend&start_line=29&end_line=30

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/kdf.bend as KDF
import bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend as L

def fail_done(+e: KDF.KdfError, +x: List<&2, U32>, +h: {Fail{e} == Done{x} : Result<&2, &2, KDF.KdfError, List<&2, U32>>}) -> Empty:
  L.false_true(Equal.cong(Result<&2, &2, KDF.KdfError, List<&2, U32>>, Bool, is_done, Fail{e}, Done{x}, h))

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/kdf/proof.bend&name=is_done
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend&name=false_true
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/kdf.bend&name=KdfError