From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,aa7f494bf30adbc7
X-Google-Attributes: gid103376,public
Path: 
 g2news1.google.com!news1.google.com!news.glorb.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed-east.nntpserver.com!nntpserver.com!newsfeed1.sea.pnap.net!newsfeed2.sea.pnap.net!newsfeed.pnap.net!brmea-news-1.sun.com!news1brm.central.sun.com!new-usenet.uk.sun.com!not-for-mail
From: Ole-Hjalmar Kristensen
 <ole-hjalmar.kristensen@substitute_employer_here.com>
Newsgroups: comp.lang.ada
Subject: Re: [newbie] simple(?) data structures
Date: 22 Jun 2004 10:11:24 +0200
Organization: Sun Microsystems
Message-ID: <wvbrn02wqafn.fsf@sun.com>
References: <2j1e30Fsrg8vU1@uni-berlin.de> <2jao1qFvj2rgU1@uni-berlin.de>
 <caqcmf$3uc$2@a1-hrz.uni-duisburg.de> <2jc33qFv3sitU1@uni-berlin.de>
 <XP5Ac.3544$w07.3540@newsread2.news.pas.earthlink.net>
 <1087475845.607135@master.nyc.kbcfp.com>
 <7MgAc.96169$dP1.314202@newsc.telia.net>
 <wvbry8ml2nsl.fsf@europa1.Norway.Sun.COM>
 <1087560281.744369@master.nyc.kbcfp.com>
NNTP-Posting-Host: khepri06.norway.sun.com
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Trace: new-usenet.uk.sun.com 1087891884 29351 129.159.112.195 (22 Jun 2004
 08:11:24 GMT)
X-Complaints-To: usenet@new-usenet.uk.sun.com
NNTP-Posting-Date: 22 Jun 2004 08:11:24 GMT
User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/21.2
Xref: g2news1.google.com comp.lang.ada:1769
Date: 2004-06-22T08:11:24+00:00
List-Id: <comp.lang.ada>

>>>>> "HR" == Hyman Rosen <hyrosen@mail.com> writes:

    HR> Ole-Hjalmar Kristensen wrote:
    >> C++ has by-reference parameter passing if you want, so you don't need
    >> to use pointers for out parameters. However, as you cannot see from
    >> the signature of a function (except as a comment) whether the function
    >> modifies your parameter of not, I find this a mixed blessing.

    HR> Huh? If you pass by reference in C++ you get to declare the
    HR> parameters either as plain references or as const ones. You
    HR> certainly can tell this from the signature:
    HR>      void mangle(const string &in, string &out);

You are right of course. What I was really thinking of is that you
cannot see it where the function is called, something which applies to
both C++ and Ada. But modern IDE's let you jump to the definition of a
function easily, so it's not much of a problem.

-- 
   C++: The power, elegance and simplicity of a hand grenade.