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From: Peter Dimov (pdimov_at_[hidden])
Date: 2004-03-04 08:45:39

David Turner wrote:
>> Why is cast<> using a what looks like a homebrew RTTI system?
>> Is there something that makes
>> dynamic_pointer_cast<T::element_type>(w) inappropriate?
> Mm, er, um, ah... Yes, it is a homebrew RTTI system. It does nothing
> that could not be achieved with dynamic_cast, but it's a bit less
> weighty. By the way, the widget types already have names (the static
> type() members) anyway, as a consequence of the use of window_base as
> a factory. More on that below.

I think that the important question here isn't "why doesn't cast<> use
dynamic_cast<>", but "am I guaranteed to be able to use
dynamic_pointer_cast<window::element_type>(w) to obtain a window given a
widget w?"

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