def decode_c
import bend-collections@1.0.0.0/src/crypto/secp256k1/point.bend as Pointimport Base
178def decode_c(+x: List<&2, Nat>, +par: Nat, ok: Bool) -> Maybe<&2, Point>:
179 match ok:
180 case True{}: decompress(x, par)
181 case False{}: None{}