[Issue 12558] try/catch allows implicit catching of Throwables without specifying any Exception type

via Digitalmars-d-bugs digitalmars-d-bugs at puremagic.com
Sat Apr 19 04:09:55 PDT 2014


https://issues.dlang.org/show_bug.cgi?id=12558

Nick Treleaven <ntrel-public at yahoo.co.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |ntrel-public at yahoo.co.uk

--- Comment #4 from Nick Treleaven <ntrel-public at yahoo.co.uk> ---
(In reply to Andrej Mitrovic from comment #3)
> (In reply to yebblies from comment #2)
> > I dunno, catching asserts like that is useful.  Why shouldn't the default be
> > to catch absolutely everything?
> 
> Because you're potentially drowning a serious error and it's really hard to
> spot this in the code. 

Indeed, and we recommend *not* to catch Error. Doing it silently hides
important bugs.

> But we already have library workarounds for exactly this purpose, e.g.
> collectException!Throwable( your_stuff_here );

or just:
catch(Throwable){...}

Perhaps we could add a compiler warning for catch without an explicit type.

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