From: thor@math.tu-berlin.de   
      
   On 11.12.2012 21:30, TS wrote:   
      
   > recently I got a problem related to conversion and operator overloading.   
   > With the code below   
   >   
   > class A {};   
   > A operator +(const A&  lhs, const A&  rhs) { ... };   
   >   
   > class B {   
   > public:   
   >      operator A() { ... }   
   >      operator int() { ... }   
   > };   
      
   > I got the error from gcc:   
   > error: ambiguous overload for ‘operator+’ in ‘ba + bb’   
   > note: candidates are: operator+(int, int)   
   > note:                 A operator+(const A&, const A&)   
   >   
   > I'm wondering how I can get rid of the error.   
      
   Provide an operator + that operates on B by calling the conversion   
   explicitly:   
      
   A operator +(const B& lhs, const B& rhs) { ... };   
      
   HTHH,   
      
   	Thomas   
      
      
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