def all_zero

bend-collections@1.0.0.0 · spec/crypto/secp256k1/ecdsa.bend:313

import Base

313def all_zero(bs: List<&2, U32>) -> Bool:
314  match bs:
315    case Nil{}: True{}
316    case b <> t: Bool.and(U32.is_eq(b, 0), all_zero(t))