law slice_drop

lawful-fields@0.1.1.0 · proof_cut.bend:174

import Base
import lawful-bytes@0.1.1.0/defs.bend as D

174# A slice dropped by k is the slice from s + k.
175law slice_drop:
176  for +xs: List<&2, U32>
177  for +s: Nat
178  for +tt: Nat
179  for +k: Nat
180  {List.drop(&2, U32, D.slice(xs, s, Nat.sub(tt, s)), k) == D.slice(xs, Nat.add(s, k), Nat.sub(tt, Nat.add(s, k))) : List<&2, U32>}