Point.nth: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/secp256k1/point.bend as Point
Lines 33-37 of bend-collections@1.0.0.0/src/crypto/secp256k1/point.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/point.bend&start_line=33&end_line=37

import Base
import bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend as F

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

Uses (3):
  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=bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend&name=zero