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Ovid (2709)

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Stuff with the Perl Foundation. A couple of patches in the Perl core. A few CPAN modules. That about sums it up.

Journal of Ovid (2709)

Thursday June 12, 2008
09:33 AM

Guess Why This Works

[ #36671 ]

After a long, painful session of dodging segfaults, I finally discovered the answer to my problem:

foreach my $method (@methods) {
    no strict 'refs';
    *$method = sub { shift->$method(@_) };

All tests pass and there are no recursion issues. Also, it turns out to be documented core behavior.

Just try and guess why I need this.

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  • Somewhere, somehow, something is doing $object->foo::bar(@stuff) and you're needing to catch these calls in package foo and tell it that no, you really wanted to make those method calls on $object, not on package foo.

    That situation would avoid all recursion problems with that code and is documented in the core. But I would need to know more about your code to guess why it might do something silly like call the method foo::bar.

    However I suspect that you have lots of things that you want dispatched to pac
    • Or, the code is "print($object, ...)" (replace "print" with any other core or imported symbol) and Ovid wants the $object to control the behavior. The alternative is a solution like UNIVERSAL::isa.