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From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: comp.lang.ada
Subject: Re: List Container Strawman 1.4
Date: Tue, 18 Dec 2001 22:56:27 +0100
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Date: 2001-12-18T22:56:27+01:00
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"Mark Lundquist" <no.spam@getalife.com> writes:

>> What about a generic version of To and From which can handle arrays
>> with different index types?
>
> Interesting idea, but I doubt if it would be useful enough to be justified.
> A list abstraction of this sort is unbounded, and since the only reason you
> would convert To it from one of these things with a non-integer index type
> would be to convert From the list back to it again, you're not going to be
> adding or deleting elements...

Some people like to have different integer types for different things.

I think the simple way of introducing new integer types is one of the
nice benefits of Ada, and packages for general use should not remove
this benifit.

>> I'd like to suggest to make Quit mode "in out", with a default of
>> False.
>
> There are no defaults for anything other than an "in" mode parameter.

You can supply defaults even without default_expressions.  In this
case, simply assign the variable in the caller, before the call.