Disallow catch without parameter ("LastCatch")

[Christopher Wright]

grauzone wrote:
> Right now, you can catch every exception with "try { something; } catch 
> { somethingelse; }".
> 
> Can we get rid of this abomination before D2 is finalized? I claim that 
> it's completely useless, and even more so, every single use of this is a 
> bug.
> 
> If you really want to catch everything, you might as well write "catch 
> (Exception o)", or "catch (Throwable o)" for those who know what they're 
> doing.
> 
> PS: I wonder, should the runtime really execute finally blocks if an 
> "Error" exception is thrown? (Errors are for runtime errors, Exception 
> for normal exceptions.) Isn't it dangerous to execute arbitrary user 
> code in presence of what is basically an internal error?

Are all Errors unrecoverable except by immediately aborting the application?

What about logging?

What about putting up a reasonable error message for the user?

What about restarting the failed module in case the issue was temporary 
and environmental?