Nonstatic member function

[TjSnake]

Hello
I have a problem with error message: ...must be a nonstatic member function
unlike any I have found on forums.

My code is following:

class A {
public:
friend unsigned& operator=(unsigned&,A&);

};

Afterwards follows the definition of the functions.

Error message says, that this operator= must be a nonstatic member function, which it cannot be because the left operand is not member of the class.
I need to use this for the hash table.
Interesting is, that if I wrote + instead of =, the error disappeares.

Thanks for advise.

[cran]

It can't be a friend, it has to be a member of the class with one parameter.

http://www.cplusplus.com/articles/jsmith1/

-- edit: fyi, this is for the assignment operator, that's why the '+' will work, but the '=' won't

[coder777]

You can make 'A' assignable to unsigned:

class A {
public:
operator unsigned () const /*e.g.*/ { return 100; }
};

[TjSnake]

coder777: Thanks, that is what I was looking for.