Problem with templates and iterators

Hi,

can you help me out with the question why the construct in main.cpp does
compile and the one in CTest.h does not (sources below).

error from g++ on windows/MinGW:

In file included from ../main.cpp:1:

..../CTest.h: In function `std::istream& operator>>(std::istream&, const
CTest<T>&)':

..../CTest.h:26: error: expected `;' before "it"

main.cpp
----------

#include "CTest.h"

#include <vector>

using std::vector;

int main(int argc, char **argv) {

vector<vector<int> > metType;

//compiles OK

vector<vector<int> >::iterator it=metType.begin();

}

CTest.h
---------

#ifndef CTEST_H_

#define CTEST_H_

#include <iostream>

#include <vector>

#include <iterator>

using std::istream;

using std::vector;

template <class T>

class CTest

{

template<T>

friend istream& operator>>(istream& in, const CTest<T>& test);

};

template <class T>

istream& operator>>(istream& in, const CTest<T>& test)

{

vector<vector<T> > rows;

//does not compile

vector<vector<T> >::iterator it=rows.begin();

return in;

}

#endif /*CTEST_H_*/

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