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From: "Chad  R. Meiners" <chad.rmeiners@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Do people who use Ada also use ocaml or F#?
Date: Fri, 29 Oct 2010 20:55:16 -0700 (PDT)
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On Oct 29, 10:29=A0pm, Yannick Duch=EAne (Hibou57)
<yannick_duch...@yahoo.fr> wrote:
> Le Sat, 30 Oct 2010 04:07:21 +0200, Chad =A0R. Meiners =A0
> <chad.rmein...@gmail.com> a =E9crit:> Instantiation is the other half of =
the deal with generics,
>
> That is the awesome quote of the day this one

;-p  Well I can't take full credit.  There have been a bunch of
researchers that tried to tackle the problems of composing software
components.  It has been my observation that it is difficult to
compose.

>
> > Type parameterization are a good feature of type systems. =A0Perhaps th=
e
> > main problem is the lack of formal contracts for generic parameters?
>
> This question indeed frequently raised (SPARK still not support generics,=
 =A0
> nowadays no more than in 2004).
>
> And if you wish to ask Dmitry to tell more, please do=85 I am interested =
too.

I am always curious to read what Dmitry writes.   I have learned a lot
by reading some of his post to CLA.

I also agree that is sad that SPARK does not support generics.  Maybe
there is something difficult in such support.  I haven't kept up on my
formal methods research so I don't know what the hold up is.  But the
Praxis people are pretty smart, I bet generics might have a couple
rock that get thrown in the cog of the formal machinery.