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 <gudnabrsam@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 <
> brunodepaulak@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 <kinow@apache.org>
>> >To: Commons Developers List <dev@commons.apache.org>; "
>> gudnabrsam@gmail.com" <gudnabrsam@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 <gudnabrsam@gmail.com>
>> >> To: Bruno P. Kinoshita <brunodepaulak@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 <
>> >> brunodepaulak@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 <gudnabrsam@gmail.com>
>> >>> > To: Commons Developers List
> <dev@commons.apache.org>; Bruno P.
>> >>> Kinoshita <brunodepaulak@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 <
>> >>> > brunodepaulak@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-unsubscribe@commons.apache.org
>> >>> >> For additional commands, e-mail:
> dev-help@commons.apache.org
>> >>> >>
>> >>> >>
>> >>> >
>> >>>
>> >>
>> >
>> >---------------------------------------------------------------------
>> >To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
>> >For additional commands, e-mail: dev-help@commons.apache.org
>> >
>> >
>> >
>> >
>>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
For additional commands, e-mail: dev-help@commons.apache.org
|