From: "cardboard42@..." <cardboard42@...>
Date: 2007-07-26T00:44:59+09:00
Subject: Re: A question of style...

On Jul 25, 11:38 am, "cardboar...@gmail.com" <cardboar...@gmail.com>
wrote:
> On Jul 25, 11:06 am, "Kyle Schmitt" <kyleaschm...@gmail.com> wrote:
>
>
>
> > I just had a funny thing happen.
> > I've got a bunch of classes that take a url for their initialize
> > methods, and do a little cleaning on the url, just in case.
>
> > I was setting them all up like this
> > @url = "http://localhost:1948/"
> > @one = pageOne(@url)
> > @two = pageTwo(@url)
> > @three = pageThree(@url)
>
> > Because of the housekeeping & pass-by-reference being standard, @url
> > ended up getting longer and longer, and strange and stranger.
>
> > I know a dozen fairly easy ways of solving this problem, but my
> > question is, what is the _right_ way to solve it in ruby?
>
> > I could easily do this in the SuperPage class that all the pages
> > inherit from, but it seems a tad awkward.  Then again so do some of
> > the other ideas I have.
>
> > def initailize(url)
> >   @url=cleanURL(url.clone)
> > end
>
> > Thanks,
> >         Kyle
>
> I think it's more standard to use String#dup rather than clone. If all
> these pages have access to the cleanURL method why not just do the dup
> in there rather than passing in the copy?
>
> Ken

Oh yeah and the rubyish way to do the dup in cleanURL would be like so

def cleanURL(url)
  url = url.dup
...

And then you can continue on your merry way like nothing changed.

Ken