law split_length

lawful-fields@0.1.1.0 · proof_list.bend:77

import Base
import lawful-fields@0.1.1.0/defs.bend as F

77law split_length:
78  for +xs: List<&2, U32>
79  for +sep: U32
80  {List.length(&2, List<&2, U32>, F.split(xs, sep)) == Nat.add(F.count(xs, sep), 1n) : Nat}