I suggest using subroutine constants that are set in a BEGIN block before the module is loaded with use. This way the test mode/debugging code has no performance or memory hit at runtime due to constant folding. Make sure to check with B::Deparse or B::Concise that test mode code was fully removed from the opcode tree, it is very easy to break constant folding. I have a problem with seeing 2-8 parameter debug subroutine calls every 3-6 lines in a CPAN module to enable console printing debugging (as if Perl doesn't have a debugger with a watch window).

In reply to Re: Universal test flag by bulk88
in thread Universal test flag by ait

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