C++ question

I''ve only seen (and sometimes used) it used in constructors, like this:

Cderived::Cderived(int some, char* something) : CBase(some) { }

This means that the CBase constructor will be called before executing the CDerived constructor.

Its an explicit function call. if you have more than one somefunction(int some, char* variables) then you might need to add the : someother(char* crap) so that the right somefunction is called. At least i think thats what it is.


"People spend too much time thinking about the past, whatever else it is, its gone"-Mel Gibson, Man Without A Face

Edited by - Zeke on November 24, 2000 11:37:10 AM

It doesn''t matter that it''s a derived class. In general, any other constructors you''d like called (or values assigned to any variables) can go there.

class CExample { public: CExample(); CExample(int a, int b) : m_myA(a), m_myB(b) {}; private: int m_myA; int m_myB; };

This will assign a and b to m_myA and m_myB, respectively. I think that the only reason why one would use this method over performing the assignment in the body of the function is that there might be a precompiled header issue...

Teej