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Re^3: Controlling the order of object destruction

by Crackers2 (Parson)
on Dec 10, 2009 at 18:36 UTC ( #812266=note: print w/replies, xml ) Need Help??

in reply to Re^2: Controlling the order of object destruction
in thread Controlling the order of object destruction

Neither MidLifeXis nor ikegami's statements seem to imply a guarantee that an object will be immediately be destroyed when the last reference goes away though.

So even in your second case it would be in theory possible that the objects are freed in a different order than what you're expecting.

So there still two questions that might be interesting: 1) does the spec mandate object destruction as soon as there's no reference left; and 2) do all current implementations (including Activestate) behave the same way?

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[marinersk]: choroba++
[choroba]: it's a long running test, so it's normally skipped unless an env var is set
[choroba]: nobody has been bothered to set the variable in the last 3 years
[marinersk]: sub newtest{my $expected_result = &target('foo'); my $actual_result = &target('foo'); if ($actual_result eq $expected_result) { &tdd_success(); } else { &tdd_fail(); } } # Test works after three years!
[choroba]: or nobody bothered...
[choroba]: The problem was bigger, as the test tried to call a method that didn't exist anymore
[marinersk]: :: ducking ::
[choroba]: because, someone renamed the method, but didn't notice it was used in the test, as the test was skipped
[marinersk]: Well, if the method doesn't exist, it would be hard to pass the test.
[choroba]: later, someone removed the new method, as all its usage places were safe, but didn't notice the test still used the old name

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