comp.lang.ada
 help / color / mirror / Atom feed
From: Georg Bauhaus <bauhaus.rm.tsoh@maps.futureapps.de>
Subject: Re: Amount of copying on returned constant objects
Date: Sat, 16 Jun 2007 00:03:23 +0200
Date: 2007-06-16T00:00:21+02:00	[thread overview]
Message-ID: <46730bf5$0$23134$9b4e6d93@newsspool1.arcor-online.net> (raw)
In-Reply-To: <5dfsfnF1qav8bU1@mid.individual.net>

Alex R. Mosteo wrote:
> 
> 
> I wonder however about results of functions, that are not modified.
> 
> ... In C++ I could use constant references. Now, I wonder if 
> 
> a) is there something in the ARM that prevents an equivalent transparent
> optimization in the Ada side (returning the reference when it is detected
> that the returned object is not modified)?

OTOH, I might want a constant copy because the object in the
container is going to be modified... Can a compiler detect this?



-- Georg




  parent reply	other threads:[~2007-06-15 22:03 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-15 16:19 Amount of copying on returned constant objects Alex R. Mosteo
2007-06-15 16:32 ` Ludovic Brenta
2007-06-18 17:26   ` Alex R. Mosteo
2007-06-19 10:22     ` Alex R. Mosteo
2007-06-15 22:03 ` Georg Bauhaus [this message]
2007-06-18 17:23   ` Alex R. Mosteo
2007-06-18 17:35     ` Pascal Obry
2007-06-18 18:04       ` Alex R. Mosteo
2007-06-18 20:25       ` Randy Brukardt
2007-06-19  8:26         ` Dmitry A. Kazakov
2007-06-19 10:24         ` Alex R. Mosteo
2007-06-19 21:33           ` Randy Brukardt
2007-06-20  1:31             ` Markus E Leypold
2007-06-20  6:25               ` Georg Bauhaus
2007-06-20 13:00                 ` Markus E Leypold
2007-06-20  7:34             ` Dmitry A. Kazakov
2007-06-18 18:34     ` Georg Bauhaus
2007-06-16  6:48 ` Dmitry A. Kazakov
2007-06-18 17:14   ` Alex R. Mosteo
replies disabled

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox