Hi Matt! Great! I'll commit these changes tomorrow if there are no objections.
Thanks! Bruno P. Kinoshita http://kinoshita.eti.br http://tupilabs.com ----- Original Message ----- > From: Matt Benson <gudnabr...@gmail.com> > To: Commons Developers List <dev@commons.apache.org> > Cc: > Sent: Monday, February 11, 2013 8:39 PM > Subject: Re: [functor] Change default arity of Function, Predicate and > Procedure > > Hi Bruno, > No objections here about the Arity interfaces. I see that your master > branch also contains changes to migrate Unary* to * and * to Nullary*. > Personally I am satisfied to align with lambda/guava if noone else objects. > > Thanks, > Matt > > > On Mon, Feb 11, 2013 at 4:25 PM, Bruno P. Kinoshita < > brunodepau...@yahoo.com.br> wrote: > >> Hi Matt, all, >> >> I'm messing with [functor] in my GitHub mirror [1]. You can find the >> commits in the master branch [2]. >> >> The Arity->Unary/Binary/Nullary interfaces look good. If there are no >> objections I would like to commit this change to the trunk in SVN. >> >> There are other changes that I'll omit in this commit, but will start > new >> threads here in the mailing list :o) >> >> Thank you in advance! >> >> [1] https://github.com/kinow/functor >> [2] https://github.com/kinow/functor/commits/master >> >> Bruno P. Kinoshita >> http://kinoshita.eti.br >> http://tupilabs.com >> >> >> >________________________________ >> > From: Bruno P. Kinoshita <ki...@apache.org> >> >To: Commons Developers List <dev@commons.apache.org>; " >> gudnabr...@gmail.com" <gudnabr...@gmail.com> >> >Sent: Wednesday, January 30, 2013 3:58 PM >> >Subject: Re: [functor] Change default arity of Function, Predicate and >> Procedure >> > >> >I think it makes sense and is clear what is does. >> > >> >I thought in using {arity}Operation, but in Java 8 there are interfaces >> like BinaryOperator, and BinaryOperator extends BiFunction, so it would be >> confusing to users having something like interface BinaryFunction extends >> BinaryOperation in [functor]. >> > >> >Bruno P. Kinoshita >> >http://kinoshita.eti.br >> >http://tupilabs.com >> > >> > >> >----- Original Message ----- >> >> From: Matt Benson <gudnabr...@gmail.com> >> >> To: Bruno P. Kinoshita <brunodepau...@yahoo.com.br> >> >> Cc: Commons Developers List <dev@commons.apache.org> >> >> Sent: Wednesday, January 30, 2013 1:29 PM >> >> Subject: Re: [functor] Change default arity of Function, Predicate > and >> Procedure >> >> >> >> What about: >> >> >> >> Arity (Marker) >> >> |_Nullary extends Arity >> >> |_Unary<A> extends Arity >> >> |_Binary<L, R> extends Arity >> >> >> >> ? >> >> >> >> Matt >> >> >> >> >> >> On Tue, Jan 29, 2013 at 6:09 PM, Bruno P. Kinoshita < >> >> brunodepau...@yahoo.com.br> wrote: >> >> >> >>> In Haskell you define your functions and its arity. >> >>> >> >>> // nullary function >> >>> a :: () => () -> String >> >>> a = "Hello World" >> >>> >> >>> // unary function >> >>> b :: (Integral c) => c -: String >> >>> b x = "Hello Integral" >> >>> >> >>> I think in Clojure and Scala you can define the arity of the > function >> too. >> >>> >> >>> For the users of [functor] I think it would be easier to > migrate their >> >>> code to Java 8, or use it with Java 8, if both [functor] and > Java 8 >> >>> Function classes had similar behaviour. That would be > interesting >> >>> especially if the lambda project provided a backport jar. >> >>> >> >>> [functor] and lambda project provide 1 and 2 arities by > default, but >> >>> lambda doesn't provide nullary interfaces (or at least I > couldn't >> >> find them >> >>> in java.util.functions). >> >>> >> >>> Cheers >> >>> >> >>> Bruno P. Kinoshita >> >>> http://kinoshita.eti.br >> >>> http://tupilabs.com >> >>> >> >>> >> >>> ----- Original Message ----- >> >>> > From: Matt Benson <gudnabr...@gmail.com> >> >>> > To: Commons Developers List > <dev@commons.apache.org>; Bruno P. >> >>> Kinoshita <brunodepau...@yahoo.com.br> >> >>> > Cc: >> >>> > Sent: Tuesday, January 29, 2013 8:57 PM >> >>> > Subject: Re: [functor] Change default arity of Function, > Predicate >> and >> >>> Procedure >> >>> > >> >>> > What about in pure functional languages e.g. Haskell? >> >>> > >> >>> > Matt >> >>> > >> >>> > >> >>> > On Tue, Jan 29, 2013 at 4:55 PM, Bruno P. Kinoshita < >> >>> > brunodepau...@yahoo.com.br> wrote: >> >>> > >> >>> >> Hi all, >> >>> >> >> >>> >> In Java 8 and Guava the default arity of a Function > is 1, but in >> >>> [functor] >> >>> >> it is 0, IOW, in Java 8 and Guava a Function is by > default a >> >>> UnaryFunction, >> >>> >> while in [functor] it is a NullaryFunction. >> >>> >> >> >>> >> What do you guys think of changing the default > arity of Function, >> >>> >> Procedure and Predicate in [functor] to 1, rather > than 0? >> >>> >> >> >>> >> Cheers >> >>> >> >> >>> >> Bruno P. Kinoshita >> >>> >> http://kinoshita.eti.br >> >>> >> http://tupilabs.com >> >>> >> >> >>> >> >> >> > --------------------------------------------------------------------- >> >>> >> To unsubscribe, e-mail: > dev-unsubscr...@commons.apache.org >> >>> >> For additional commands, e-mail: > dev-h...@commons.apache.org >> >>> >> >> >>> >> >> >>> > >> >>> >> >> >> > >> >--------------------------------------------------------------------- >> >To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org >> >For additional commands, e-mail: dev-h...@commons.apache.org >> > >> > >> > >> > >> > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
