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From Vassil Dichev <>
Subject Re: Pool messages are displayed where they shouldn't
Date Thu, 13 May 2010 04:36:11 GMT
> I don't get it. Why is Long the problem? It looked to me like the issue was
> Set, but I really can't see why Set and List every would have matched, so I
> don't see why this ever worked.
> Looks like I need a Scala matching tutorial :-(

Looks like *I* need a Scala tutorial ;-) You're right again, I should
have read the message more carefully.

Apparently, the compiler will issue an error message if we check for
Full(EmptySet), but not if it's a non-empty instance of Set... go

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