C++ Template Swap Function

[weonthewave]

Hello, I need to make a swap function that swaps two parameters of type T.

And following is what I code but something must be wrong.

Could anybody better my codes?

    template<typename T>
    void swap (T& a, T& b)
    { T temp = a;
      a = b;
      b = temp;
    }

Should I pass it as constant reference? But I am changing the values right?

Please let me know thanks!!

[Cubbi]

better code:
#include <utility>
(That's where that function is declared in C++)

As for your replacement, what exactly is " wrong"?