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cross reference problem

Apr 22, 2015 at 1:03pm
breadbread1984 (48)
I cant get the following code compiled. The following code is an abstraction of the problem I met in my development. How do you usually solve this kind of problem in your project?

test1.h
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#ifndef TEST1_H
#define TEST1_H

#include "test2.h"

class Test2;

class Test1 {
public:
	typedef struct Nested {} N;
};

#endif


test2.h
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#ifndef TEST2_H
#define TEST2_H

#include "test1.h"

class Test1;

class Test2 {
public:
	Test1::N m;
};

#endif


test.cpp
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#include "test1.h"

int main()
{
	Test1 t1;
}
Edit & run on cpp.sh
Last edited on Apr 22, 2015 at 1:04pm
Apr 22, 2015 at 2:14pm
ne555 (10692)
4) The "right way" to include http://www.cplusplus.com/forum/articles/10627/
Apr 22, 2015 at 2:18pm
coder777 (8448)
Files cannot inlucde each other. In test1.h it is completely unnecessary to include test2.h. Not even the forward reference is required.

Either include or forward reference, but not both.
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