From: robert_dewar@my-dejanews.com
Subject: Re: Alternate to Unchecked_Conversion - Portable?
Date: 1999/02/24
Date: 1999-02-24T00:00:00+00:00 [thread overview]
Message-ID: <7avplr$jl5$1@nnrp1.dejanews.com> (raw)
In-Reply-To: m3sobxfpwd.fsf@mheaney.ni.net
In article <m3sobxfpwd.fsf@mheaney.ni.net>,
Matthew Heaney <matthew_heaney@acm.org> wrote:
>> A copy doesn't necessarily occur. If I use a constant
declaration:
>
> procedure Op (O : T) is
>
> OO : constant TT := UC (O);
> begin
>
> then (I assume) there isn't any copy of the source
object.
I would be very surprised if a compiler did NOT make a copy
in this case, it would certainly be an interesting
optimization if it did not. What is the basis of your
assumption here.
Anyway, this is simply the wrong way to go here, it is
far better to use UC on pointers.
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next prev parent reply other threads:[~1999-02-24 0:00 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-02-21 0:00 Alternate to Unchecked_Conversion - Portable? Steve Doiel
1999-02-21 0:00 ` Matthew Heaney
1999-02-21 0:00 ` Steve Quinlan
1999-02-22 0:00 ` robert_dewar
1999-02-22 0:00 ` Tom Moran
1999-02-22 0:00 ` robert_dewar
1999-02-22 0:00 ` Samuel Mize
1999-02-22 0:00 ` Christopher Green
1999-02-23 0:00 ` Matthew Heaney
1999-02-23 0:00 ` Samuel Mize
1999-02-24 0:00 ` robert_dewar [this message]
1999-02-25 0:00 ` Nick Roberts
1999-02-25 0:00 ` robert_dewar
1999-02-26 0:00 ` Nick Roberts
1999-02-26 0:00 ` Matthew Heaney
1999-02-27 0:00 ` Nick Roberts
1999-02-24 0:00 ` robert_dewar
1999-02-23 0:00 ` Christopher Green
1999-02-25 0:00 ` robert_dewar
1999-02-24 0:00 ` Christopher Green
1999-02-25 0:00 ` robert_dewar
1999-02-26 0:00 ` Dale Stanbrough
1999-02-26 0:00 ` Robert A Duff
1999-02-23 0:00 ` Christopher Green
1999-02-25 0:00 ` robert_dewar
1999-02-24 0:00 ` Christopher Green
1999-02-25 0:00 ` robert_dewar
1999-02-25 0:00 ` dennison
1999-02-25 0:00 ` Christopher Green
1999-02-26 0:00 ` Tom Moran
1999-02-26 0:00 ` robert_dewar
1999-02-26 0:00 ` robert_dewar
1999-02-26 0:00 ` Christopher Green
1999-03-01 0:00 ` Nick Roberts
1999-03-01 0:00 ` dewar
1999-03-01 0:00 ` Nick Roberts
1999-02-26 0:00 ` Robert A Duff
1999-02-28 0:00 ` robert_dewar
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