Reducing #includes with Forward Class Declarations - C++ Preprocessor

C++ examples for Preprocessor:Directive

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Description

Reducing #includes with Forward Class Declarations 

// myheader.h
#ifndef MYHEADER_H__
#define MYHEADER_H__

class A; // No need to include A's header

class B {
   public:
      void f(const A& a);
   // ...
   private:
      A* a_;
};

#endif

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