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Re: use warnings and debug messagesby LanX (Saint) |
on Mar 06, 2017 at 15:18 UTC ( [id://1183764]=note: print w/replies, xml ) | Need Help?? |
Hi Gabor > Do you see any problems with the suggested solutions? Yes, if a value is undef I want to see undef in the debug output, not an empty string. And I want to be able to distinguish the string "undef" from undef. Consequently you should use Data::Dump which already handles those cases and more
of course that's cumbersome, so you want to put it in a custom debug routine, like your hash syntax But of course you might not really want to repeat the var name. Then you can use an approach like
Contrary to other solutions relying on source filter or Padwalker this will also work within string eval.
Cheers Rolf
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