Schnorr.is_odd: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/secp256k1/schnorr.bend as Schnorr
Lines 43-44 of bend-collections@1.0.0.0/src/crypto/secp256k1/schnorr.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/schnorr.bend&start_line=43&end_line=44

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

def is_odd(+y: List<&2, Nat>) -> Nat:
  F.parity(y)

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=parity