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From: Peter Dimov (pdimov_at_[hidden])
Date: 2003-02-17 08:44:41

Daniel Frey wrote:
> I think we should consider to define what should not work and what
> should not. If we want add_const to reject types that cannot be made
> const, we should also consider to make references not compile.

The definition of what should work in this case is simple:
"add_const<T>::type" is equivalent to "T const". "T const" is equivalent to
T when T is a reference type, see 8.3.2/1.

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