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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
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Newsgroups: comp.lang.ada
Subject: Re: What would you like in Ada202X?
Date: Wed, 25 Apr 2012 23:30:05 +0200
Organization: Ada @ Home
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Date: 2012-04-25T23:30:05+02:00
List-Id: <comp.lang.ada>

Le Wed, 25 Apr 2012 23:14:51 +0200, Jeffrey Carter  =

<spam.jrcarter.not@spam.not.acm.org> a =C3=A9crit:
>> Imagine a simple case: a serialization of some private object type, w=
ith
>> multiple codecs. I instinctively make each codecs, a child package of=
  =

>> the
>> package defining the serialized type, so that they can build an  =

>> instance of
>> type. Or else, you would have to expose to the big world, methods  =

>> intended for
>> serialization only, and serialization is often related to the interna=
l
>> representation of the serialized item (although not required). Can't =
 =

>> give an
>> easy example, but I also believe this would make some bindings more  =

>> difficult.
>
> Imagine a simple solution: a collection of private packages that  =

> implement the type and its operations, and a public package that makes=
  =

> public only those things that should be public.

And you have to modify and respecify the package each time you want to  =

extend it? The child package way is more modular.

-- =

=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