From: Joey <rubytalk@...>
Date: 2006-05-07T17:43:38+09:00
Subject: Re: A major ruby annoyance!

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Also, how is Ruby meant to know wether something is a typo, or a new var?

Joey

On 5/7/06, Minkoo Seo <minkoo.seo@gmail.com> wrote:
>
> In my case, I use -w always, and try to depend on autocompletion feature
> available
> in vim. (^P, ^N, ^XO)  Other than that, AFAIK, there are no alternatives
> in
> the language
> which doesn't have variable declaration feature.
>
> Thought Ruby has syntax check facility, "ruby -wc", it does not find
> typos.
> It just check
> syntactic errors.
>
> Sincerely,
> Minkoo Seo
>
>
> On 5/7/06, Talha Oktay <toktay@gmail.com> wrote:
> >
> > I am a newbie in Ruby. I have read several books including pickaxe and
> > wrote
> > several thousands lines of code. So far, as an ex perl user, I have
> found
> > the major annoyance with ruby is the lack of declaration of variables.
> > Automatic creation,  in perl jargon autovification is the common featur=
e
> > of
> > many high level languages such as perl, paython, visual basic etc. but
> > most
> > of the these languages have seen that this not necessarily a good thing
> > and
> > created flags, commands to prohibit it if the developer wants to. I
> really
> > wish ruby had one.  Last  several hours  I spent debugging a
> > malfunctioning
> > code just to see mistyped variable name was causing all the problem. I
> had
> > to put many log statements which polluted to the code.
> >
> > I guess in Pickaxe book, unit testing is presented as the cure for this
> > problem which I do not agree. I can not write a test code for every
> peace
> > of
> > little functionality, besides I am eager to make the compiler or
> > interpreter
> > to work for me. Why not tell the interpreter to check the code, instead
> of
> > writing very detailed test programs. I am not a very good typist and I
> > often
> > mistype variable names, often I had to depend on vim's auto completion
> > feature. But I do not want to depend to an editor or an IDE for this.
> >
> > I have also found the ruby's -w flag does not work as I perl -w flag
> does.
> > In perl warnings are really descriptive.  You can even use a module
> called
> > diagnostics which almost teaches to fix the problem that crashes progra=
m
> > or
> > generates warning etc. I often do not use -w as because I receive
> warnings
> > from libraries that my code includes or warnings I do not understand at
> > all.
> >
> > May be I am the only one who is bothered with these. I do not know.
> >
> >
>
>

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