Curve.nth: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/curve.bend as Curve
Lines 32-36 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/curve.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/curve.bend&start_line=32&end_line=36

import Base

def nth(i: Nat, regs: List<&2, Nat>) -> Nat:
  match i regs:
    case _ Nil{}: 0n
    case 0n r <> t: r
    case 1n+k r <> t: nth(k, t)

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat