Hello Stanislav,

Saturday, August 9, 2008, 12:16:29 AM, you wrote:

> Hi!

>>   I think we may want to stick to our is-a mantra.

> I'm not sure I understand what you mean here. But our principle was to 
> allow things that do not violate the LSP - such as adding optional 
> parameters, for example. I think returning by-ref can be allowed on the 
> same principle. Is there any problem with allowing it that you see?

Yes, it breaks the principle. E.g. caller knows callee returns by ref - you
break this, as easy as that.

Best regards,
 Marcus


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