int main ()
{
    int num = 10;
    int *pointer = #
    double *dp;
    const int *cp;
    cp = pointer;                            // GOOD
//  pointer = cp;                            // BAD                       needs conversion
    pointer = (int*)cp;                      // GOOD:  c-style cast       c-style cast fucks all
//  pointer =  static_cast<int*>(cp);        // BAD:   static_cast
    pointer =  const_cast<int*>(cp);         // GOOD:  const_cast
//  pointer =  reinterpret_cast<int*>(cp);   // BAD:   reinterpret_cast   casts away constness
 
//  dp = pointer;                            // error: cannot convert ‘int*’ to ‘double*’ in assignment
    dp = (double*)pointer;                   // GOOD
//  dp = static_cast<double*>(pointer);      // error: invalid static_cast from type ‘int*’ to type ‘double*’
    dp = reinterpret_cast<double*>(pointer); // GOOD
 
}

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