-- | O(n) prepend an RTuple to an RTable
insertPrependRTab :: RTuple -> RTable -> RTable
insertPrependRTab rtup rtab = V.cons rtup rtab
insertPrependRTab :: RTuple -> RTable -> RTable
insertPrependRTab rtup rtab = V.cons rtup rtab
insertPrependRTab rtup rtab = V.cons rtup rtab