Template friend function not compiling (full working code example)

From:
JiiPee <no@notvalid.com>
Newsgroups:
comp.lang.c++
Date:
Thu, 22 Jan 2015 20:20:50 +0000
Message-ID:
<DYcww.293940$Ud7.288631@fx11.am4>
Sorry for last time not providing full code. Now I paste here the full
code so you can test the error yourself. I have GCC 4.8, debug build,
C++11 on, Windows XP. Error message: "error: declaration of 'operator*'
as non-function".

So I tried to add a simple multiplication function as a friend. And it
to be template function. But it conflicts with the other multiplication
function.

It works if I commend out the other * operator (see the code).
Any idea how to fix this? thanks

Full console based code which does not compile:

#include <iostream>

using namespace std;

template <typename T> class Vector2D2;
template <typename T> Vector2D2<T> operator * (const T& pointXY, const
Vector2D2<T>& point);

template <typename T>
class Vector2D2
{
public:
     // if I commend this out the code compiles with no problems
     Vector2D2 operator * (const Vector2D2& point) const { return *this; }

     friend Vector2D2<T> operator* <> (const T& pointXY, const
Vector2D2<T>& point);

     int y;
private:
     T b;
};

template <typename T>
Vector2D2<T> operator* (const T& pointXY, const Vector2D2<T>& point)
{
     Vector2D2<T> cc;
     cc.b = point.b * pointXY;
     return cc;
}

int main()
{
     Vector2D2<double> jj, mm;
     mm = 3.0 * jj;
     std::cout<<mm.y;
     return 0;
}

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