Bytes.has_len: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/secp256k1/bytes.bend as Bytes
Lines 30-35 of bend-collections@1.0.0.0/src/crypto/secp256k1/bytes.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/bytes.bend&start_line=30&end_line=35

import Base

def has_len(n: Nat, bs: List<&2, U32>) -> Bool:
  match n bs:
    case 0n Nil{}: True{}
    case 0n b <> t: False{}
    case 1n+k Nil{}: False{}
    case 1n+k b <> t: has_len(k, t)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32