Path: utzoo!attcan!uunet!know!zaphod.mps.ohio-state.edu!usc!rutgers!mcnc!thorin!degas!leech
From: leech@degas.cs.unc.edu (Jonathan Leech)
Newsgroups: comp.std.c++
Subject: Re: A Proposal to Extend C++ with Variable-length Arrays
Message-ID: <17109@thorin.cs.unc.edu>
Date: 27 Oct 90 20:33:27 GMT
References: <11578@spool.cs.wisc.edu>
Sender: news@thorin.cs.unc.edu
Reply-To: leech@degas.cs.unc.edu (Jonathan Leech)
Organization: University of North Carolina, Chapel Hill
Lines: 12

In article <11578@spool.cs.wisc.edu>, bothner@sevenlayer.cs.wisc.edu
(Per Bothner) writes:
|>	struct String { int len; char *c; }
|>	char *c = new char[len];
|>	String *s = new String(len, c);
|>But this has a number of disadvantages:
|>* One extra 'new' is needed (and later an extra 'free').
|>* Extra space needed for an unnecessary pointer, plus the extra
|>overhead imposed by the storage manager for an extra object.

	But your proposal needs extra space for the array length,
so it's a wash in this respect.