def mul_u
import bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend as Fieldimport Base
import bend-collections@1.0.0.0/src/crypto/secp256k1/limbs.bend as L
62def mul_u(a: List<&2, Nat>, +b: List<&2, Nat>) -> List<&2, Nat>:
63 reduce(L.conv(a, b))