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     Compiler error C2228
 
     left of '.identifier' must have class/struct/union type
 
     The left side of the specified class member access operator (.)
     was not a class (or structure or union) type.
 
     The following is an example of this error:
 
          int i;
 
          struct S
          {
          public:
              int member;
          } s, *ps;
 
          void main()
          {
             i.member = 0;   // error, i is not a class type
             ps.member = 0;  // error, ps is a pointer to a structure
             s.member = 0;   // OK, s is a structure type
             ps->member = 0; // OK, ps points to a structure S
          }
                                    -♦-