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question for c++ gurus (or not)


HMart

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I have two overloaded functions in my class, for example:

virtual void Foo(const idvec3 &parm1, const idAxis &parm2){}

virtual void Foo(const idvec3 &parm1, const idAxis &parm2, const int parm3 = 0 ){}

But visual studio gives me a error of :

Ambiguous call to overloaded function

 

How would you guys solve this?

What i did was call the second function another name for now, but would like to know if this has a solution.

Thanks in advance.

 

edit: changed some int's to the real types i'm using because that could be important for the problem solution.

Edited by HMart
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Abusimplea is right.
Basicly the compiler doesn't get what function it should use if you were calling method Foo with just two arguments.
It would not know whether to call the first variant or the second one (with default argument). That setup just doesn't make any sense at all.

 

Either go with

virtual void  Foo(const idvec3 &parm1, const idAxis &parm2){}
virtual void  Foo(const idvec3 &parm1, const idAxis &parm2, const int parm3){}

or just

virtual void  Foo(const idvec3 &parm1, const idAxis &parm2, const int parm3 = 0 ){}
Edited by gnartsch
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