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=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!peer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!Xl.tags.giganews.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Tue, 07 Oct 2014 13:39:53 -0500 Date: Tue, 07 Oct 2014 14:39:52 -0400 From: Peter Chapin User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2 MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Online conceptual/tutorial material for Ada, was: Re: specification file ads problem References: <831a97d3-fa0b-49d9-980b-46e7eb12c1ee@googlegroups.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Message-ID: <84udnfAJytTkrqnJnZ2dnUVZ572dnZ2d@giganews.com> X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-k4qG4r0cxttHLVvcEhyb+65NyM7eqtdXOraug0r40+FwolhCw8NFYr8a8hiFuuO6awY2PVSxDVfgBCH!bqtbWgjb16lj4rqjlCbXUP6GNXoGD3xpfsmc9VnvPUyRrI7+5jgjksLLZphUgH/x7tses1r7aFQ= X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 2659 X-Received-Bytes: 2771 X-Received-Body-CRC: 3523836789 Xref: news.eternal-september.org comp.lang.ada:22188 Date: 2014-10-07T14:39:52-04:00 List-Id: On 2014-10-06 18:30, Simon Clubley wrote: >> Would there possibly be some way of introducing Ada's user defined >> scalar types earlier? This would give credit to McCormick's most >> prominent finding, namely that use of Ada's user defined scalars >> is a real, non-marketing boost in productivity. In particular, this >> feature of the Ada language has been found to boost newcomers' results. >> > > And _that's_ the same reservation I have. > > Ada style user defined datatypes need to be much closer to the start > of the document. However, I also understand the need not to overwhelm > the reader with new things. > > How about early examples which show just _one_ of the really simple > types J-P Rosen mentions and uses (say) Integer for the rest of the > example ? Thanks for the feedback on my tutorial. I do agree that talking about user defined scalar types is important and moving it up makes sense. I'll definitely look into doing that when I make my updates. That might be sooner rather than later as I'm teaching Ada in a course at Vermont Technical College next semester and it might be nice to point the students to my tutorial as one (of several) resources. Peter