Ecdsa.all_zero: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/spec/crypto/secp256k1/ecdsa.bend as Ecdsa
Lines 313-316 of bend-collections@1.0.0.0/spec/crypto/secp256k1/ecdsa.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/spec/crypto/secp256k1/ecdsa.bend&start_line=313&end_line=316

import Base

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

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq