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From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada
Subject: Re: Unary operator after binary operator: legal or not? => Compiler
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Date: Tue, 31 Jul 2007 16:59:48 -0400
Organization: The World Public Access UNIX, Brookline, MA
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Date: 2007-07-31T16:59:48-04:00
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Georg Bauhaus <rm.tsoh+bauhaus@maps.futureapps.de> writes:

> On Tue, 2007-07-31 at 11:53 -0400, Robert A Duff wrote:
>
>> But don't you think:
>> 
>>     X * -3
>> 
>> ought to be legal (no user-defined operators in sight)?
>
> You'r kidding, aren't you?

I wasn't...

>...Next thing would be
>
>    X *- 3;

OK, you make a good point.

But what's the general principle?  Can't write two operators in a row?
Then why is "X=-3" legal?  (Of course I would normally write "X = -3".)

And why does -11 mod 5 = -1?

> Or, can't we have X + -3, please?
>
> Why is --3 not positive? I get a strange compiler error.

;-)

- Bob