forward class declarations

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1 total messages Started by Arthur Sombrito Thu, 05 Nov 1992 09:11

#640

Author: Arthur Sombrito
Date: Thu, 05 Nov 1992 09:11

27 lines
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Hi,

I'd like to ask the ARM specifications regarding forward class
declarations.  At what scope would the class name be entered?  
The current scope or the first non-class enclosing scope?  
For example:

  class A {
    class B {
      struct C;              // is it ::C or A::B::C ?
      struct D *dP;          // likewise is it ::D or A::B::D ?
      void f(struct E *eP);  // is it ::E or is it entered in
                             // the local scope of f() ?
    };
  };
  C *cP;                     // so is C visible?
  E *eP;                     // and so is E?

The USL library assumes that forward class declarations are 
entered in the first non-class enclosing scope. As far as I 
could tell in ARM, it should be entered in the current scope.
Which should it be?

Thanks for any replies

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