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By: a guest on May 9th, 2012  |  syntax: None  |  size: 0.34 KB  |  hits: 13  |  expires: Never
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  1. Can const member function return a non-const pointer to a data member?
  2. class A
  3. {
  4.     public:
  5.         ...
  6.         int *foo() const
  7.         {
  8.             return _px;
  9.         }
  10.     private:
  11.         int *_px;
  12. }
  13.        
  14. int *& foo() const {return _px;}
  15.        
  16. int * const & foo() const {return _px;}
  17.        
  18. void f(const A& a)
  19. {
  20.   *(a.foo()) = 42; // damn!
  21. }
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