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Message-ID: <4707A3D0.3070702@obry.net>
Date: Sat, 06 Oct 2007 17:03:44 +0200
From: Pascal Obry <pascal@obry.net>
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To: Matthew Heaney <mheaney@on2.com>
Subject: Re: GNAT for MS Visual Studio
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NNTP-Posting-Date: 06 Oct 2007 17:03:48 CEST
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Date: 2007-10-06T17:03:48+02:00
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Matthew Heaney a écrit :
> No, this is incorrect.  The container keeps track of nested calls
> (e.g. Query_Element, Iterate) using a count, in order to prevent
> container misuse (e.g. deleting the element while it's being
> queried).  So even though the logical view of the container doesn't
> change, then physical view does change, and so the standard requires
> that multiple tasks accessing a container must be properly
> synchronized, even when the access is read-only.

Outch! Big mistake to require this to me :(

Maybe something like "Don’t let best be enemy of good" !

That's probably the first time I'm very surprised and annoy by an Ada
design decision. It seems that there is good reasons... but frankly not
something really user friendly to me :(

Pascal.

-- 

--|------------------------------------------------------
--| Pascal Obry                           Team-Ada Member
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