in reply to Re: What is this "Do you need to predeclare croak" about?
in thread What is this "Do you need to predeclare croak" about? [SOLVED]

Hi 1nickt. Yes, a mutex is necessary when workers update the same element in a shared hash. For Karl's demonstration, a mutex is optional when workers update unique elements via the OO interface.

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Re^3: What is this "Do you need to predeclare croak" about?
by 1nickt (Canon) on Jun 15, 2017 at 02:44 UTC

    Thanks for clarifying. I hadn't made the distinction, but I see it's an important one, certainly don't want to block if not needed.


    The way forward always starts with a minimal test.
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