From: Diego Scataglini <dwebsubmit@...>
Date: 2007-07-06T23:08:08+09:00
Subject: Re: ruby classes in the erlang world

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My guess you didn't get a reply is because it's like reinventing the wheel
and add warts to it.
Compare with list comprehension
A = [1,2,3],
S = [X+1 || X <- A].

or even
A = [1,2,3],
S = lists:map(fun(X) -> X+1 end, A).



On 7/6/07, Simen Edvardsen <toalett@gmail.com> wrote:
>
> On 7/6/07, Woo-Kyoung Noh <wookay.noh@gmail.com> wrote:
> > those whom interested in both ruby and erlang,
> > I'd like to showing my small work.
> >
> > I've been implemented a bit of ruby classes (String, Array, Range,
> > Regexp ,,,) using by erlang.
> > so could do something like
> >
> > A = ruby:new([1,2,3]),
> > Stack = ruby:new([]),
> > [1,2,3] = (A(each))(fun(X) -> Stack({push,X+1}) end),
> > [2,3,4] = Stack(value),
> >
> >
> > I sent this to the erlang mailing list on a couple of weeks ago,
> > and got no replys.
> > well, I felt that erlang programmers don't like this :)
> > http://www.erlang.org/pipermail/erlang-questions/2007-June/027592.html
> >
> >
> > so what I really want to do is that
> > you know, erlang's powerful concurrency.
> > check this working between two erlang nodes.
> >
> > $ erl -sname b
> > (b@woo-kyoung-nohs-computer)1> A=ruby:new([]).
> > #Fun<ruby.1.26108348>
> > (b@woo-kyoung-nohs-computer)2> A({register, a}).
> > true
> >
> > $ erl -sname c
> > (c@woo-kyoung-nohs-computer)1> N='Node':'Node'({a,
> > 'b@woo-kyoung-nohs-computer'}).
> > #Fun<ruby.1.26108348>
> > (c@woo-kyoung-nohs-computer)2> N({push,1}).
> > [1]
> >
> >
> > (b@woo-kyoung-nohs-computer)3> A(value).
> > [1]
> > (b@woo-kyoung-nohs-computer)4> A({push,2}).
> >
> >
> > (c@woo-kyoung-nohs-computer)3> N(value).
> > [1,2]
> >
> >
> >
> > you could get the code from
> >
> > svn co http://wookay.googlecode.com/svn/trunk/erlang/ruby/
> > cd ruby
> > make test
> >
> >
> >
> > thank you.
> > have a good one.
> >
>
> I'm sure Erlang has fascilities for doing what you're doing without
> faking Ruby. What's the value in using a crippled library nicked from
> another language? Perhaps the users of the erlang mailing list simply
> didn't understand. I don't think I understand either. What do you hope
> to achieve by embedding Ruby standard classes in Erlang?
>
> If you're trying to implement Ruby on the Erlang platform, I bet a lot
> of people would be interested, but simply being able to fake Array,
> String, Range etc. just isn't very interesting IMHO.
>
> > --
> > Posted via http://www.ruby-forum.com/.
> >
> >
>
>
> --
> - Simen
>
>


-- 
Diego Scataglini

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