def rol62
import bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/lane.bend as Laneimport Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/types.bend as T
150def rol62(a: T.Lane) -> T.Lane:
151 match a:
152 case T.W{+lo,+hi}:
153 T.W{U32.or(U32.shln(hi,30n),U32.shrn(lo,2n)),U32.or(U32.shln(lo,30n),U32.shrn(hi,2n))}