DIP33: A standard exception hierarchy

[Dmitry Olshansky]

02-Apr-2013 14:23, deadalnix пишет:
> On Monday, 1 April 2013 at 22:46:49 UTC, Ali Çehreli wrote:
[snip]
> Not running cleanup code can transform a small issue in a big disaster
> as running can make the problem worse.
>
> I don't think wiring in the language the fact that error don't run the
> cleanup code is rather dangerous.
>
> If I had to propose something, it would be to handle error the same way
> exception are handled, but propose a callback that is ran before the
> error is throw, in order to allow for complete program stop based on
> user logic.

It's exactly what I have in mind as removing the exception handling is 
something user can't recreate easily. On the other hand "die on first 
signs of corruption" is as easy as a hook that calls abort before unwind 
of Error.

Time to petition Walter ;)

-- 
Dmitry Olshansky