template and nested class problem

From: Miroslav Novak (miroslav.novak_at_is.cz)
Date: 10/31/03 

Date: Fri, 31 Oct 2003 14:51:17 +0100

Hi,
I can't compile the following code. Does anyone know where is the problem?
Thank you in advance,
    Mirek.

code:
----------------

template<class T>
struct CA
{
    struct CB
    {
        T* z;
    };
};

template<class T>
void fun(typename CA<T>::CB x) {}; // line 56

void test()
{
    CA<int>::CB x;
    fun(x); // line 61
}

errors:
------------

test.cpp(61) : error C2783: 'void fun(CA<T>::CB)' : could not deduce
template argument for 'T'
test.cpp(56) : see declaration of 'fun'

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