From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on ip-172-31-65-14.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!aioe.org!siG8trSPtxwtkBCOZpBn8A.user.46.165.242.91.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Problems using Generic_Dispatching_Constructor Date: Wed, 1 Jun 2022 14:42:40 +0200 Organization: Aioe.org NNTP Server Message-ID: References: <9a5e9c8b-c263-4ac7-86f8-97a8ee1fdb99n@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: gioia.aioe.org; logging-data="47168"; posting-host="siG8trSPtxwtkBCOZpBn8A.user.gioia.aioe.org"; mail-complaints-to="abuse@aioe.org"; User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Content-Language: en-US X-Notice: Filtered by postfilter v. 0.9.2 Xref: reader02.eternal-september.org comp.lang.ada:63901 List-Id: On 2022-06-01 13:36, Mark Lorenzen wrote: > Why are access types used at all? Parameters are kind of factory object, you want to have the factory mutable. > Is there another workaround? In my practice I never had a case when I could obtain the tag needed for generic dispatching constructor. All my designs ended up with a mapping key -> constructing function with an explicit registering the type in the mapping. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de