Path: utzoo!news-server.csri.toronto.edu!bonnie.concordia.ca!s3!robert
From: robert@ireq.hydro.qc.ca (R.Meunier 8516)
Newsgroups: comp.lang.c++
Subject: easy question
Message-ID: <5914@s3.ireq.hydro.qc.ca>
Date: 8 Mar 91 16:36:48 GMT
Sender: root@s3.ireq.hydro.qc.ca
Reply-To: robert@ireq.hydro.qc.ca ()
Organization: IREQ, Hydro-Quebec, QC, Canada
Lines: 55



	I have 2 easy question on c++


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



class A
{
private:
	B	*b;
public:
	...
}

class B
{
private:
	A	*a;
public:
	...
}

	Of course, the compiler give an error on this because when compiling
A, B is undefined.




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



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

	c = a;
}

	b is not use and i do not wan't to use it but the compiler gives me
a warning.



--
Robert Meunier                     Institut de Recherche d'Hydro-Quebec
Ingenieur                          1800 Montee Ste-Julie, Varennes
Internet: robert@ireq.hydro.qc.ca  Qc, Canada, J3X 1S1 
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