From: jayce@... (Jayce Piel)
Date: 2002-04-05T01:52:02+09:00
Subject: Re: Test the result of an initialization ?

David Alan Black <dblack@candle.superlink.net> wrote:

> > > class ArchiveFile
> > >   def initialize(filename)
> > >     if not File.stat(filename).file?
> > >       raise "#{filename} is not a valid file"
> > >     end
> > >   end
> > > end
> >
> > Hmmm...
> > But the fact remains... Where must I put the catch ?
> 
> You'd want to include a rescue clause for the code where you try
> to create the object:
> 
>   class Thing
>     def initialize
>       raise
>     end
>   end
> 
>   begin
>     t = Thing.new
>   rescue
>     puts "Caught exception"
>   end

Ok, so that is near to the same problem that testing argument before the
call to #new... :-/
By putting begin/rescue code around all call to #new, the code begins to
be unreadable...

I will try a begin/rescue inside the #new rounding a call to the
original #new...

-- 
                   Jayce Piel   ( jayce@mosx.net )
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