Another alternative to consider is Smart::Comments. Keep in mind that this module is categorized thusly, according to the author in his Categorized Damian Modules node:
Damian modules that are specifically debugging and coding aids and which Damian uses himself during code development

In reply to Re: using warn instead or print STDERR? (Smart::Comments) by toolic
in thread using warn instead or print STDERR? by leocharre

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