delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/2004/03/11/06:30:29

X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f
From: Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Why does this code fails?
Date: 11 Mar 2004 11:19:59 GMT
Organization: Aachen University of Technology (RWTH)
Lines: 22
Message-ID: <c2pi0v$ilm$1@nets3.rz.RWTH-Aachen.DE>
References: <c2phh0$17jb$1 AT alpha2 DOT radio-msu DOT net>
NNTP-Posting-Host: ac3b07.physik.rwth-aachen.de
X-Trace: nets3.rz.RWTH-Aachen.DE 1079003999 19126 137.226.33.205 (11 Mar 2004 11:19:59 GMT)
X-Complaints-To: abuse AT rwth-aachen DOT de
NNTP-Posting-Date: 11 Mar 2004 11:19:59 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Anthony <akantsel AT integra DOT rmt DOT ru> wrote:

> Why doesn't convertion by default work? 

Because there's no particular reason it should.  Your new class
"mystream" has no relation to the standard C++ library classes, and
thus it inherits none of their overloaded operators.

> How to make it work with no cast-ing?

> The goal is to have a global static reference to a stream, where some code
> can do output and another code can change this output destanation, like make
> it go to cout, then after sometime to a file stream, etc. Is there better
> way to do this than this code?

Just make a global pointer to an object of type ostream and overwrite 
what that points to, if you have to.


-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019