Point.neg: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/secp256k1/point.bend as Point
Lines 99-101 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=99&end_line=101

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

def neg(p: Point) -> Point:
  match p:
    case Point{x, y, z}: Point{x, F.neg(y), z}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend&name=neg
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/point.bend&name=Point