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Subject: Re: Expectation of Access Value Equality
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From: Matthew Heaney <matthewjheaney@earthlink.net>
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Date: 2003-09-06T00:25:07+00:00
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"Nick Roberts" <nickroberts@blueyonder.co.uk> writes:

> (a) Would you be surprised by:
> 
>    Print( (+"foo",+"bar",+"",+"") );
>
> printing three lines?

No.  That's what I expected it to print.


> (b) Would you be surprised by:
> 
>    Print( (+"foo",+"bar",+"hum",+"foo") );
> 
> printing one line?

No.  That's what I expected it to print.

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

I think your program is broken, not any compiler implementation.  The
problem is that you have items identical to your sentinel.

 
> (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.

I have been programming in Ada for over 15 years.  I am fluent in Ada95 and C++.