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List: kfm-devel
Subject: Re: UDSEntry compression ideas
From: Frank Reininghaus <frank78ac () googlemail ! com>
Date: 2013-09-26 20:52:59
Message-ID: CAFoZWWhvCYiCCO+o7cnq61im-O5JD0NQd_DvcAy9dhwG6Z=pTw () mail ! gmail ! com
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Hi,
2013/9/21 David Faure:
>> 3. Right now the Field struct stores a QString and a long long. Certainly
>> there must be a way to just use one type. I guess QVariant has too much
>> overhead to be used, but something like that.
>
> That would be "union" instead of "struct", very simply. I'm not sure why we're
> not using that, actually.
Because it's impossible ;-)
You cannot add types with non-trivial constructors or destructors to a
union. The compiler wouldn't know what to do if such a union went into
or out of scope.
Regards,
Frank
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