about evaluator method

[Maurizio Palesi]

Hi all,

Why can't I call the evaluator method of GAPopulation class with an argument 
that is a member of a class? For instance:

class C
{
   C();
   void myEvaluator(GAPopulation& p);
};

C::C()
{
   ...
   GAPopulation p(genome);
   p.evaluator(myEvaluator);  <---- why I can't do this?
}

void C::myEvaluator(GAPopulation& p) 
{
   ...
}

Thanks a lot in advance.
Maurizio

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