From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,80bc3e0698be468f X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!newshub.sdsu.edu!news.newsland.it!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!texta.sil.at!newsfeed.inode.at!news.hispeed.ch!linux2.krischik.com!news From: Martin Krischik Newsgroups: comp.lang.ada Subject: Re: Type safety on wikipedia Date: Fri, 27 Jan 2006 19:58:52 +0100 Organization: Cablecom Newsserver Message-ID: <11271924.245PKaY7qe@linux1.krischik.com> References: <1138260496.230283.147640@g43g2000cwa.googlegroups.com> <1138283608.433842.76060@z14g2000cwz.googlegroups.com> <43D8E85C.6020805@mailinator.com> <1535741.yb0A0MsH1D@linux1.krischik.com> <43D912A3.2030201@mailinator.com> NNTP-Posting-Host: 84-74-134-212.dclient.hispeed.ch Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Trace: news.hispeed.ch 1138389303 30509 84.74.134.212 (27 Jan 2006 19:15:03 GMT) X-Complaints-To: news@hispeed.ch NNTP-Posting-Date: Fri, 27 Jan 2006 19:15:03 +0000 (UTC) User-Agent: KNode/0.10 Xref: g2news1.google.com comp.lang.ada:2684 Date: 2006-01-27T19:58:52+01:00 List-Id: Simon Wright wrote: > "Alex R. Mosteo" writes: > >> This is something I've mused about sometimes: Let's suppose some Ada >> compiler goes ahead and provides a GC. What happens with programs >> written without taking this into account? > > 13.11.2(17) only says that Free _should_ reclaim the storage. I > suppose for a GC implementation there could be at least 2 > implementation strategies: > > * don't actually reclaim, just remove local reference and deal with > tasks if necessary > > * check that the reference count is in fact 1 and raise *_Error if > not! That would be useful! That is indeed interesting. Up until now I have implemented the interface to the bohem-weiser collector as such that memory is reclaimed. Being German I did not spot the true meaning of should. I might reconsider the implementation. Martin -- mailto://krischik@users.sourceforge.net Ada programming at: http://ada.krischik.com