Either[FailureResult[T], Either[SuccessWithWarnings[T], SuccessResult[T]]] maybe ?
On Thu, Oct 15, 2015 at 5:31 PM, Antonio Murgia < antonio.murg...@studio.unibo.it> wrote: > 'Either' does not cover the case where the outcome was successful but > generated warnings. I already looked into it and also at 'Try' from which I > got inspired. Thanks for pointing it out anyway! > > #A.M. > > Il giorno 15 ott 2015, alle ore 16:19, Erwan ALLAIN < > eallain.po...@gmail.com> ha scritto: > > What about http://www.scala-lang.org/api/2.9.3/scala/Either.html ? > > > On Thu, Oct 15, 2015 at 2:57 PM, Roberto Congiu <roberto.con...@gmail.com> > wrote: > >> I came to a similar solution to a similar problem. I deal with a lot of >> CSV files from many different sources and they are often malformed. >> HOwever, I just have success/failure. Maybe you should make >> SuccessWithWarnings a subclass of success, or getting rid of it altogether >> making the warnings optional. >> I was thinking of making this cleaning/conforming library open source if >> you're interested. >> >> R. >> >> 2015-10-15 5:28 GMT-07:00 Antonio Murgia <antonio.murg...@studio.unibo.it >> >: >> >>> Hello, >>> I looked around on the web and I couldn’t find any way to deal in a >>> structured way with malformed/faulty records during computation. All I was >>> able to find was the flatMap/Some/None technique + logging. >>> I’m facing this problem because I have a processing algorithm that >>> extracts more than one value from each record, but can fail in extracting >>> one of those multiple values, and I want to keep track of them. Logging is >>> not feasible because this “warning” happens so frequently that the logs >>> would become overwhelming and impossibile to read. >>> Since I have 3 different possible outcomes from my processing I modeled >>> it with this class hierarchy: >>> That holds result and/or warnings. >>> Since Result implements Traversable it can be used in a flatMap, >>> discarding all warnings and failure results, in the other hand, if we want >>> to keep track of warnings, we can elaborate them and output them if we need. >>> >>> Kind Regards >>> #A.M. >>> >> >> >> >> -- >> -------------------------------------------------------------- >> "Good judgment comes from experience. >> Experience comes from bad judgment" >> -------------------------------------------------------------- >> > >
