Martin Vermeer wrote:

> On Thu, 2006-05-04 at 11:24 +0200, Georg Baum wrote:
>> Why is the mutable label needed?
> 
> Because it complains otherwise:

OK, I did not really ask what I wanted to know. Second try: Why do you need
to set the label in draw()? Why not set it in read() and whenever the
content is changed? I am not a big fan of mutable variables as you can see,
since they defeat somehow the const concept.


Georg

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