Bitsrel.sb: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/bitsrel.bend as Bitsrel
Lines 18-22 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/bitsrel.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/bitsrel.bend&start_line=18&end_line=22

import Base
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/curve.bend as CV

# bits off + i - 1 down to off of K
def sb(i: Nat, +off: Nat, +k: Nat) -> List<&2, Nat>:
  match i:
    case 0n: Nil{}
    case 1n+ +j: CV.bit(Nat.add(off, j), k) <> sb(j, off, k)

Uses (4):
  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=Nat.add
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/curve.bend&name=bit