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 > > > > > > > > >
