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: 103376,9245b8db9abd376c X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-04-15 04:51:02 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!kibo.news.demon.net!news.demon.co.uk!demon!pipehawk.demon.co.uk!not-for-mail From: john.mccabe@emrad.ns.com (John McCabe) Newsgroups: comp.lang.ada Subject: Re: Out parameters in a function Date: Mon, 15 Apr 2002 11:51:52 GMT Organization: Emrad Ltd Message-ID: <3cbabea9.14166310@news.demon.co.uk> References: <3cbaafd0.10365294@news.demon.co.uk> NNTP-Posting-Host: pipehawk.demon.co.uk X-NNTP-Posting-Host: pipehawk.demon.co.uk:158.152.226.81 X-Trace: news.demon.co.uk 1018871428 nnrp-08:12819 NO-IDENT pipehawk.demon.co.uk:158.152.226.81 X-Complaints-To: abuse@demon.net X-Newsreader: Forte Free Agent 1.21/32.243 Xref: archiver1.google.com comp.lang.ada:22545 Date: 2002-04-15T11:51:52+00:00 List-Id: On Mon, 15 Apr 2002 10:49:04 GMT, john.mccabe@emrad.ns.com (John McCabe) wrote: >On Sun, 14 Apr 2002 20:29:10 +0200, "Nazgul" > wrote: > >You could use a procedure, or you could use a function that returns a >record containing a boolean and the character you want. > >As far as I can remember, a way of getting round the no-side-effects >feature of functions is to pass it a pointer then update the contents >of the pointed to location. "pointers"! access types I mean :-) >>function ReadChar(f: File; c: access character) return boolean; >>the compiler gives an error when i do something like >>c:=anything; Missed this bit but, as David says: c.all := anything;