def hex_pair.combine
import qasim-bend-kit@0.1.0.2/libs/AES256GCM.bend as AES256GCMimport Base
280def hex_pair.combine(high: Maybe<&2, U32>, low: Maybe<&2, U32>) -> Maybe<&2, U32>:
281 match high low:
282 case None{} _: None{}
283 case Some{high} None{}: None{}
284 case Some{high} Some{low}: Some{hex_join(high, low)}