Re: Expectation of Access Value Equality

["Robert I. Eachus" <rieachus@attbi.com>]

Nick Roberts wrote:
> I'm asking for the help of Ada programmers of all levels of experience...

> (a) Would you be surprised by:
> 
>    Print( (+"foo",+"bar",+"",+"") );
> 
> printing three lines?
> 
> (b) Would you be surprised by:
> 
>    Print( (+"foo",+"bar",+"hum",+"foo") );
> 
> printing one line?
> 
> (c) What would you think of an implementation that caused this behaviour?

If the indicated correction to the program had been made, I would assume 
that the mode in which the compiler was used allowed subroutines to be 
treated as if pragma Pure (RM 10.2.1) had been applied to them.  (And 
that a compiler might have such a mode would not disturb me at all.)

> (What would you think of an implementation that printed four lines in both
> cases?)

I'd conclude that, in this area, it implemented the standard correctly.

> (d) I'd be grateful for a very brief indication of your level and broad
> area(s) of programming experience, in Ada and other languages.

Expert.

--
                                       Robert I. Eachus

"As far as I'm concerned, war always means failure." -- Jacques Chirac, 
President of France
"As far as France is concerned, you're right." -- Rush Limbaugh