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-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,23777acd564d513b X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-01-21 11:42:13 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!lon1-news.nildram.net!news-peer.gradwell.net!not-for-mail Newsgroups: comp.lang.ada From: porton@ex-code.com (Victor Porton) Date: Tue, 21 Jan 2003 23:38:13 +0500 References: <3e274cad$0$33929$bed64819@news.gradwell.net> Organization: Extreme Code Software (http://ex-code.com) Subject: Re: Problem Eliminating constructors Mime-Version: 1.0 X-Newsreader: knews 1.0b.1 Content-Type: text/plain; charset=us-ascii X-URL: http://www.ex-code.com/ Message-ID: <3e2da294$0$33926$bed64819@news.gradwell.net> NNTP-Posting-Date: 21 Jan 2003 19:42:13 GMT NNTP-Posting-Host: 195.149.39.13 X-Trace: 1043178133 news.gradwell.net 33926 mail2news/195.149.39.13 X-Complaints-To: news-abuse@gradwell.net Xref: archiver1.google.com comp.lang.ada:33318 Date: 2003-01-21T19:42:13+00:00 List-Id: In article , Stephen Leake writes: > porton@ex-code.com (Victor Porton) writes: > >> It would be nice if Ada0X would allow to make a primitive operation >> non-virtual. >> >> E.g. we can introduce "pragma Freeze(TYPE)". > > How is this better than a nested package? > > package Foo is > type Base is tagged private; > > package Constructors is > function New_Base (Params : in ...) return Base; > end Constructors; > > private > type Base is ...; > > end Foo; Very simple: I more like syntax without this additional package as it is antinatural.