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All the Perl that's Practical to Extract and Report

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  • I've got a bloody good mind to write Break::Mouse which will delete that subroutine if it ever spots that it's been created. And load it into my CPAN-testing machines.

    This shows why monkey-patching is generally a bad idea.

    package Break::Mouse;

    use Time::HiRes qw(setitimer ITIMER_VIRTUAL);
    setitimer(ITIMER_VIRTUAL, 1, 1);
    $SIG{VTALRM} = sub {
        eval 'sub UNIVERSAL::a_sub_not_likely_to_be_here { die("Monkey-patching is bad\n")';