From: dewarr@my-dejanews.com
Subject: Re: Freeing Pointers to classwide types
Date: 1998/09/25
Date: 1998-09-25T00:00:00+00:00 [thread overview]
Message-ID: <6ugeu2$79u$1@nnrp1.dejanews.com> (raw)
In-Reply-To: 360b26a1.41575272@SantaClara01.news.InterNex.Net
In article <360b26a1.41575272@SantaClara01.news.InterNex.Net>,
tmoran@bix.com (Tom Moran) wrote:
> >freeing the memory once you allocate it
> Look up Unchecked_Deallocation in your Ada text if you are worried
> about manually freeing memory, class-wide or not. Of course one
> would also hope
> procedure something(....) is
> type ptr is access ....
> p : ptr: := new ...
> ...
> end something
> to free the memory pointed to by 'p' when it leaves procedure
> something.
Tom, there is absolutely no reason to "hope" this, since it is certainly
not required semantics. On the contrary, it is clear that implementing such
semantics will require extra overhead, and it is far from clear that you want
this as the default behavior. In GNAT, we provide this behavior, but it is not
the default!
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next prev parent reply other threads:[~1998-09-25 0:00 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-09-24 0:00 Freeing Pointers to classwide types joecool
1998-09-25 0:00 ` alan walkington
1998-09-25 0:00 ` Tom Moran
1998-09-25 0:00 ` Bob Fletcher
1998-09-25 0:00 ` Samuel Tardieu
1998-09-25 0:00 ` dennison
1998-10-09 0:00 ` Matthew Heaney
1998-10-12 0:00 ` Mats Weber
1998-10-12 0:00 ` Pat Rogers
1998-09-25 0:00 ` dewarr [this message]
1998-09-25 0:00 ` Tom Moran
1998-09-25 0:00 ` dewarr
1998-09-26 0:00 ` Tom Moran
1998-09-26 0:00 ` dewarr
1998-09-26 0:00 ` Tom Moran
1998-09-27 0:00 ` dewarr
1998-09-27 0:00 ` Tom Moran
1998-09-28 0:00 ` dewarr
1998-09-28 0:00 ` Tom Moran
1998-09-28 0:00 ` dewarr
1998-09-28 0:00 ` Tom Moran
1998-09-28 0:00 ` Tom Moran
1998-09-28 0:00 ` Brian Rogoff
1998-09-28 0:00 ` Pat Rogers
1998-09-28 0:00 ` Tom Moran
1998-09-28 0:00 ` Pat Rogers
1998-09-29 0:00 ` dewarr
1998-09-29 0:00 ` Tom Moran
1998-09-30 0:00 ` Tom Moran
1998-10-01 0:00 ` dewar
1998-10-01 0:00 ` Tom Moran
1998-10-01 0:00 ` Samuel Tardieu
1998-10-01 0:00 ` Tom Moran
1998-10-01 0:00 ` Tucker Taft
1998-10-01 0:00 ` Tom Moran
1998-10-02 0:00 ` dewarr
1998-10-02 0:00 ` Larry Kilgallen
1998-10-02 0:00 ` dewarr
1998-10-02 0:00 ` dennison
1998-10-02 0:00 ` dewarr
1998-10-01 0:00 ` dennison
1998-10-02 0:00 ` dewarr
1998-10-09 0:00 ` Matthew Heaney
1998-10-09 0:00 ` dennison
1998-10-09 0:00 ` Matthew Heaney
1998-10-01 0:00 ` dewarr
1998-10-01 0:00 ` Tom Moran
1998-10-01 0:00 ` dewarr
1998-09-28 0:00 ` dewarr
1998-09-28 0:00 ` Richard D Riehle
1998-09-28 0:00 ` Pat Rogers
1998-09-29 0:00 ` dewarr
1998-10-09 0:00 ` Matthew Heaney
1998-10-09 0:00 ` Matthew Heaney
1998-09-26 0:00 ` Simon Wright
1998-10-09 0:00 ` Matthew Heaney
1998-10-09 0:00 ` Niklas Holsti
1998-10-10 0:00 ` Matthew Heaney
1998-10-11 0:00 ` Niklas Holsti
1998-10-11 0:00 ` Matthew Heaney
-- strict thread matches above, loose matches on Subject: below --
1998-09-25 0:00 bpr5549
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