I find debugging output really helpful during development. I don't want to write-remove-write-remove debugging code ad-nausium. Plus, I often find that my problem really comes from somewhere other than the place where the symptoms are. If foo($thing) is breaking, but the problem is in the part that created $thing, I'd be much better off with complete debugging output, rather than having to put a bunch of stuff into foo(), just to discover that I need to put a bunch of stuff elsewhere. With reasonable debugging output, I'd already have both.

Thanks for the pointers on prove and diag!

In reply to Re^2: Testing Question by pileofrogs
in thread Testing Question by pileofrogs

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