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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Thu, 2 Oct 2014 10:00:32 -0600
Subject: Re: Assignment Operators?
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On Thu, Oct 2, 2014 at 7:24 AM, Didymus <lynto28@gmail.com> wrote:
>    The '|=' operator, I read should be like a = a | b, but this appears to add the two numbers as long as it's more than the previous:

Note that:

    a = a or b

and:

    a = a | b

are different operations. It sounds like you're probably looking for
the former, not the latter.