class foo; in header file

Posted by Thomas on Stack Overflow See other posts from Stack Overflow or by Thomas
Published on 2010-04-28T10:14:22Z Indexed on 2010/04/28 10:23 UTC
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c++

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headerfile

Hi,

Is some one able to explain why header files have something like this?

class foo; // This here?
class bar
{
   bar();

};

Do you need an include statement when using this?

Thanks.

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Developer IT

class foo; in header file - Developer IT

class foo; in header file

c++

headerfile

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