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Re: and custom Exception

by fmerges (Chaplain)
on Feb 24, 2009 at 11:57 UTC ( #745973=note: print w/replies, xml ) Need Help??

in reply to and custom Exception


As said already, you don't get $self in the constructor... it's $class, so you should have:

my $self = $class->SUPER::new(...)

Beside of this, I would strongly recommend you to not use, based on my own experience. Some reasons:

* If you forget the ; at the end of your try...catch block you will have hard time trying to find obscure bugs, what you see in the code is not what is being executed.
* You have to include in every place you want to use the try...catch syntax sugar the 'use Error qw(:try)' and not only the subclassed exeption class. You will not get compiling error, it will just not work as expected.
* Debugging is also painful, the code executed inside of the try...catch blocks are wrapped, so it makes debugging using the debugger a pain; check it out for yourself.

For these reasons I would rather recommend you to use Exception::Class instead.


fmerges at

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[Corion]: holli: Ooof :)
[hippo]: Cut should beless than 20% after tax, though. :-)
[Corion]: hippo: Yeah, but at least two years ago, it still was close enough to 20% cut
[Corion]: But I have a very positive experience with a four day workweek and a three day weekend. I can't easily go back though to full money.
[Corion]: That is easy without having to pay for a house, a wife or children though. If I had any of these, or any two of these, the decision wouldn't be that easy.
[ambrus]: wait. I understand no wife and children, but how do you not have to pay for a house?
[hippo]: I had a low-paid job about 20 years ago and seriously considered going down to a 3-day week. Would have worked 60% of the time for about 80% of the cash.
[Corion]: ambrus: Well, I pay rent, but don't own a house with variable/ unforeseeable costs

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