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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
 =?utf-8?Q?=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: Seeking for papers about tagged types vs access to subprograms
Date: Sat, 11 May 2013 10:03:13 +0200
Organization: Ada @ Home
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Date: 2013-05-11T10:03:13+02:00
List-Id: <comp.lang.ada>

Le Sat, 11 May 2013 08:37:15 +0200, Dmitry A. Kazakov  =

<mailbox@dmitry-kazakov.de> a =C3=A9crit:
> First of all, there are preconditions of operations and the preconditi=
on
> put on individual calls. I don't know which one you mean here. But the=

> preconditions of operations must be statically true.

That's the point I don't understand or can't visualize: =E2=80=9Cprecond=
itions of  =

operations must be statically true=E2=80=9D. Out of any context? Or else=
, do you  =

suggest to move all the constraints on the types used by the operations?=
  =

(if so, that's just delegating or moving the condition elsewhere, isn't =
 =

it?).

-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D [1]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [1]
[1]: Epigrams on Programming =E2=80=94 Alan J. =E2=80=94 P. Yale Univers=
ity