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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 109fba,f92fbb4a0420dd57 X-Google-Attributes: gid109fba,public X-Google-Thread: 103376,f92fbb4a0420dd57 X-Google-Attributes: gid103376,public From: simon@pogner.demon.co.uk (Simon Wright) Subject: Re: some questions re. Ada/GNAT from a C++/GCC user Date: 1996/03/30 Message-ID: #1/1 X-Deja-AN: 145013385 distribution: world x-nntp-posting-host: pogner.demon.co.uk references: organization: At Home newsgroups: comp.lang.ada,comp.lang.c++ Date: 1996-03-30T00:00:00+00:00 List-Id: In article <4jhe1v$m0g@dayuc.dayton.saic.com> John G. Volan writes: [...] > A C programmer would complain about having to introduce an extra > begin/end block in order to introduce variables. Isn't the scope > of a variable well-defined in C, even without this extra baggage? > It just extends from the declaration to the end of whatever block > you're already in. > > An Ada programmer would counter that, in Ada, some variables might be > instances of _task_ types. By definition, a task object gets created [...] I would be quite likely to use declare blocks to introduce types and instantiations, for example where the size of a data structure wasn't known until that point. -- Simon Wright Work Email: simon.j.wright@gecm.com Ferranti Naval Systems Voice: +44(0)1705-701778 GEC-Marconi S3I Combat Systems Division FAX: +44(0)1705-701800