úΞénon-portable (GHC Extensions) experimental#Andres Loeh <andres@well-typed.com>NoneIn the 7 instance, we plug in our own addition, multiplication : and subtraction function that perform overflow-checking.     !      !"#$% safeint-0.5.3 Data.SafeIntSafeIntSIfromSafetoSafe $fNumSafeIntbaseGHC.NumNummaxBoundIntegerminBoundIntegereftInteftIntFBefdIntefdtInt efdtIntFB efdtIntUp efdtIntUpFB efdtIntDn efdtIntDnFBquotRemSafeInt divModSafeIntplusSIminusSItimesSIsumSproductSlcmS$fIntegralSafeInt $fRealSafeInt $fEnumSafeInt$fBoundedSafeInt $fOrdSafeInt $fEqSafeInt $fReadSafeInt $fShowSafeInt