package Foo::Bar;
use constant DEBUG => $ENV{DEBUG_FOO_BAR};

# ...
warn "I'm being tested!" if DEBUG;

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Then if you need a particular class to be debugged, set the appropriate environment variable to "1" before the class is loaded.

perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

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

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