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classes and header files

84
If we include a header, say mother.h, file in another header file, say kid.h,where in mother.h the class exple is defined is there any use of starting the kid.h like:

Expand|Select|Wrap|Line Numbers
  1. #include "mother.h"
  2. class exple;
  3.  
Because I'm studying a program who does this...
Mar 27 '07 #1
2 1302
horace1
1,510 Expert 1GB
If we include a header, say mother.h, file in another header file, say kid.h,where in mother.h the class exple is defined is there any use of starting the kid.h like:

Expand|Select|Wrap|Line Numbers
  1. #include "mother.h"
  2. class exple;
  3.  
Because I'm studying a program who does this...
you would do this if if there are declarations (of classes, extern variables, functions, etc) in mother.h which are required in kid.h
Mar 27 '07 #2
sanctus
84
you would do this if if there are declarations (of classes, extern variables, functions, etc) in mother.h which are required in kid.h
Isn't it enough to include mother.h to be able to use the declarations done in mother.h in kid.h?
Mar 28 '07 #3

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