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List:       quanta-devel
Subject:    Re: [quanta-devel] forward declarations
From:       Frans Englich <frans.englich () telia ! com>
Date:       2005-07-28 20:11:36
Message-ID: 200507282011.36605.frans.englich () telia ! com
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On Thursday 28 July 2005 19:56, Andras Mantia wrote:
> On Thursday 28 July 2005 22:14, Linus McCabe wrote:
> > I know in the quanta code forward declarations are prefered to
> > including headers.
> >
> > However, is there an alternative to include a header if you have a
> > method with an enum as an argument?
> >
> > From what i understand you cannot forward declare enums?
>
> Don't know right now how to do it, so just include the header.

I've neither found a solution for that. The reason, as far as I know, is that 
forward declarations wasn't designed to speed up compiles, but to solve 
cyclic dependencies.

Another case where forward declaration doesn't work(AFAIK) is for typedefs, 
such as "typedef QValueList<MyClass *> List;"


Cheers,

		Frans
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