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Re: [C++] My unreviewed patches
On Sat, 23 Aug 2003 22:43:02 +0700, Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net> wrote:
> Jason Merrill wrote:
>
>>Ah, yes. But then you don't handle
>>
>> template <class T> template <class U> template <class V> friend void
>> A<T>::B<U>::f(V);
>>
>>which would have friend_depth == 3. Why is that too many template headers?
>>Similarly, why do you want to reject
>>
>>template <class T> template <class U>
>> friend void A<T>::B<U>::f();
>>
> We can support those. It's just a tweak to deal with more complex cases
> in is_friend (or a function called by it). But I am not sure if the
> standard intends to allow arbitrary number of nested class templates like
> the above cases. The feature is only described in two sentences and an
> example. Do you think we should handle this?
Yes. I can't see any justification for only allowing one level of nesting.
Jason