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From: bobduff@world.std.com (Robert A Duff)
Subject: Re: overload ":=" ???
Date: 1996/07/23
Message-ID: <DuzuHv.AvI@world.std.com>#1/1
X-Deja-AN: 169640638
references: <dewar.837740729@schonberg> <31F40F0C.3FDACA19@jinx.sckans.edu>
 <Duz3ns.2rA@world.std.com> <ws9u3uzy5cv.fsf@schonberg.cs.nyu.edu>
organization: The World Public Access UNIX, Brookline, MA
newsgroups: comp.lang.ada
Date: 1996-07-23T00:00:00+00:00
List-Id: <comp.lang.ada>


In article <ws9u3uzy5cv.fsf@schonberg.cs.nyu.edu>,
Laurent Guerby <guerby@gnat.com> wrote:
>   Yes ;-). But in the case of "=", there are some strict rules
>(returns boolean, "/=" implictly defined) that restrain your
>creativity. 

Actually, the rule in Ada 95 has changed -- you can define "=" to return
other than Boolean.  If it returns Boolean, then you get the magical
"/=" (which is a pain in the neck for RM authors and compiler writers).
There are at least two bugs in the RM caused by these magical "/=" ops.

- Bob