Getting a constant conversion error

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Join Date: Dec 2007

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henpecked1 henpecked1 is offline

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Junior Poster

Getting a constant conversion error

May 9th, 2008

I'm having a little problem with a conversion error during compile. Here is the code:

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#include <iostream>
using namespace std;

class costOfItem 
{
         public:
	costOfItem(float i_cost);
	void printMe();

          private:
	  const float price;

};
// Free functions
void displayPrice(costOfItem z)  { z.printMe(); }
void displayRefPrice(costOfItem &z) { z.printMe(); }
void displayConstRef(const costOfItem &z) { z.printMe(); }

Now in the last line it gives me the error cannot convert 'this' pointer from const costOfItem to costOfItem conversion loses qualifiers. I'm assuming there is a problem with the current instance of the object (which I believe is what 'this' points to, please correct me if I'm wrong about that) and it seems to be trying to convert it to a non const. What seems to be the problem and how do I fix it?