def R4

lawful-bytes@0.1.1.0 · proof_fast_w2.bend:290

import Base

290# run_len over the four byte tests of a word.
291def R4(e0: Bool, e1: Bool, e2: Bool, e3: Bool) -> Nat:
292  Bool.pick(Nat, e0, 0n, Nat.add(1n, Bool.pick(Nat, e1, 0n, Nat.add(1n, Bool.pick(Nat, e2, 0n, Nat.add(1n, Bool.pick(Nat, e3, 0n, Nat.add(1n, 0n))))))))