C/C++ Compiler (cl.hlp) (Table of Contents; Topic list)
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C2252
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     Compiler error C2252
 
     'identifier' : pure specifier can only be specified for functions
 
     The given nonfunction was specified as pure virtual.
 
     Only member functions specified as virtual can be declared with a
     pure specifier.
 
     The following is an example of this error:
 
          class A
          {
             virtual int i = 0;          // error, i is an int
             virtual void func() = 0;    // OK, func is a function
          };
                                    -♦-