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Tip of the Day
Language: C++
Expertise: Intermediate
May 8, 2002

Use Forward Declarations to Speed Up Compiling


If class B uses only pointers or references of class A, you don't have to include A.h. You can simply forward declare class A as shown below.
 
//File B.h

class A; //forward Decalaration

class B
{

  A * ptrA;

  .. //other members


};
Rajesh Chathapuram
 
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