From: Sandro Paganotti <sandro.paganotti@...>
Date: 2008-10-11T00:03:18+09:00
Subject: Re: rescue clause

------=_Part_126104_6292594.1223651140991
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

The difference seems to be in that ' OptionParser::InvalidOption ' token
but it's the first time I saw a begin-rescue block of this kind.



On Fri, Oct 10, 2008 at 1:50 PM, Patrick Doyle <wpdster@gmail.com> wrote:

> I have been looking at the source code for rake (as you can probably tell
> from my previous questions), in an attempt to study a reasonable sized Ruby
> application and see what I can learn from the exercise.  I've come across
> something that looks like it could be an innocuous typo in the code, or it
> could be doing something that I just don't understand.  Here is the code
> snippet:
>
>    def standard_exception_handling
>      begin
>        yield
>      rescue SystemExit => ex
>        # Exit silently with current status
>        exit(ex.status)
>      rescue SystemExit, OptionParser::InvalidOption => ex
>        # Exit silently
>        exit(1)
>      end
>    end
>
> I am curious as to why SystemExit shows up in 2 different rescue clauses.
> Is that a typo?  Or is something else going on?
>
> --wpd
>



-- 
Go outside! The graphics are amazing!

------=_Part_126104_6292594.1223651140991--