Disambiguating empty catch blocks

[Mario Torre]

Il giorno mer, 14/04/2010 alle 22.49 +1200, Bruce Chapman ha scritto:
> Thanks Martin,
> 
> comment inline.
> 
> Bruce
> 
> 
> Martin Buchholz wrote:
> > Hi Bruce,
> >
> > I don't think you're going to find enough support for adding
> > rarely used new methods to existing exception classes.
> >   
> Of course it is rare at present - it doesn't yet exist. So "rarely used" 
> is at this point subjective and hypothetical. My feeling is that it 
> would be useful, if you think not, then that is another data point. 
> Maybe a weekly survey question for java.net?  - I am sure they could 
> find a way to turn it into 5 choices.  :)
> > There's already a clear way to indicate to human readers
> > that an exception should be ignored or is expected
> >
> > catch (SomeException ignored) { }
> >
> > catch (SomeException expected) { }
> >   
> 
> Oh dear, I thought we had finally got away from "magic name" solutions. 
> Of course in JDK7 we'll be able to
> 
> catch (@Ignored SomeException ex) { }
> 
> catch (@Impossible SomeException ex) { }

It think I like this one.

I also used

catch (SomeException _) { /* ignored */ }

The _ is a clear sign. If you don't name it, it means you're not
interested in it, and the comment is purely optional then.

Cheers,
Mario
-- 
Mario Torre, Software Developer, http://www.jroller.com/neugens/
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