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From: ark@alice.att.com (Andrew Koenig)
Newsgroups: comp.lang.c++
Subject: Re: easy question
Message-ID: <20042@alice.att.com>
Date: 9 Mar 91 01:34:12 GMT
References: <5914@s3.ireq.hydro.qc.ca>
Reply-To: ark@alice.UUCP ()
Organization: AT&T Bell Laboratories, Liberty Corner NJ
Lines: 22

In article <5914@s3.ireq.hydro.qc.ca> robert@ireq.hydro.qc.ca () writes:

> 1) How can i declare two object that point to each other?

	class A;	// optional
	class B;	// not optional

	class A { B* b; };
	class B { A* a; };

> 2) How do i declare a parameter that i do not use to avoid a warning
>    from the compiler

	void func(int a, int)
	{
		int c;

		c = a;
	}
-- 
				--Andrew Koenig
				  ark@europa.att.com