Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!uunet!godzilla!nujoizey!gwu
From: gwu@nujoizey.tcs.com (George Wu)
Newsgroups: comp.lang.c++
Subject: Re: Constructor question
Keywords: common constructor code
Message-ID: <1988@godzilla.tcs.com>
Date: 3 Apr 91 21:26:43 GMT
References: <1991Apr2.110623.22219@and.cs.liv.ac.uk>
Sender: root@tcs.com
Reply-To: gwu@nujoizey.tcs.com (George Wu)
Organization: Teknekron Communications Systems
Lines: 37
Cc: markr@and.cs.liv.ac.uk

In article <1991Apr2.110623.22219@and.cs.liv.ac.uk>,
markr@and.cs.liv.ac.uk writes:
|> Can I call one constructor to class X explicitly from within another
|> constructor to class X ?
|> 
|> Example: constructor X::X( int i ) performs a lot of initialisation
that needs
|> to be done at the start of X::X( char *c ) too.  Can I write:
|> 
|> X::X( char *c ) {
|> 	X( 5 );
|> 	// rest of stuff

     What you wish to do is commonly accomplished by calling a third
method containing the common initlization code.  For example:

X::init()
{
	// initialization of code common to all constructors goes here
}

X::X(int i)
{
	init();
	// . . .
}

X::X(char *s)
{
	init();
	// . . . 
}

----
George J Wu, Software Engineer        | gwu@tcs.com or uunet!tcs!gwu
Teknekron Communications Systems, Inc.| (415) 649-3752
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