On 5/3/07, duongthaiha <[EMAIL PROTECTED]> wrote:
> Hi sorry for a new bee question. I have the following code but there
> is something that i can not understand what does it do.
>
> Can you please tell me what does "Point &operator=( Point p)" does?
>
> I think that the a overwrite the = operator but should it return bool
> instead of Point??
Yes, it overloads the = operator (assignment), and returning a
reference to an object of class Point is correct. == (equality) is
what you would want to use to return a boolean.
> Thanks a lot in advance.
>
> Best regard
>
>
> class Point {
> public:
> double x;
> double y;
> double z;
> double thickness;
>
> Point(double xx=0,double yy=0,double zz=0,double tn=0){
> x=xx;
> y=yy;
> z=zz;
> thickness=tn;
> }
>
> Point(const Point& obj){
> x=obj.x;
> y=obj.y;
> z=obj.z;
> thickness=obj.thickness;
> }
>
> Point &operator=( Point p) { // Right side is the argument.
> x=p.x;
> y=p.y;
> z=p.z;
> thickness=p.thickness;
> }
> };
>
>
>
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