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: 103376,5c1125c290d9dd14 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news2.google.com!npeer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!nntp.club.cc.cmu.edu!feeder.erje.net!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: ANN: Ada 2005 Math Extensions, 20100810 release Date: Sun, 15 Aug 2010 18:06:51 +0100 Organization: A noiseless patient Spider Message-ID: References: <82ocd8m826.fsf@stephe-leake.org> <82sk2ivwa7.fsf@stephe-leake.org> <9b04znr94b2i$.pxsxi24sc9zv.dlg@40tude.net> <1mffa50u8u2xy$.1gvly4gmdy3f5.dlg@40tude.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Date: Sun, 15 Aug 2010 17:06:52 +0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="KCXegvZb5vh43D+f3BR6Ew"; logging-data="3097"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+x44R2tpb+b+eYcMFbiV0BHxJK0O0T5KI=" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (darwin) Cancel-Lock: sha1:XpeUJHWRM/DT3Jx7znXrKo2VjIE= sha1:6jOnrdeDM2CT2dU7TTSrXrFxxi0= Xref: g2news1.google.com comp.lang.ada:13349 Date: 2010-08-15T18:06:51+01:00 List-Id: "Dmitry A. Kazakov" writes: > On Sat, 14 Aug 2010 22:55:05 +0100, Simon Wright wrote: > >> I found that I could say >> >> package body Whatever is >> >> subtype Real is Complex_Arrays.Real_Arrays.Real; > > Yes you can, but don't. I used this pattern before and ran into problems > with this, when in some contexts one Real conflicted with / hid another, so > that a compiled generic package could not be instantiated. (Again, no idea > if that was a compiler bug or not.) In this case I had to use Complex_Arrays.Real_Arrays.Real because of the sort of problems you indicate. So naming it seemed like a good idea.