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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
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Newsgroups: comp.lang.ada
Subject: Re: Why no Ada.Wide_Directories?
Date: Fri, 21 Oct 2011 18:03:03 +0200
Organization: Ada @ Home
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Date: 2011-10-21T18:03:03+02:00
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Le Fri, 21 Oct 2011 15:13:54 +0200, Dmitry A. Kazakov  =

<mailbox@dmitry-kazakov.de> a =C3=A9crit:
> Not really. Wide_Wide_String is one possible implementation of logical=

> Unicode string.
And precisely, that implementation is sufficient (*). You can't expect A=
da  =

will provide a so much abstract implementation that it will cover all  =

possible implementations.

By the way, nothing disallows a compiler implementation to not use an  =

array of 32 bits item to implement an array of Wide_Wide_Character. As  =

long as the interface is preserved, this would be legal for a compiler t=
o  =

use any implementation it could to provide a Wide_Wide_String.

As the purpose of Ada is to be a programming language, would be more  =

relevant to focus on whether or not it is possible in Ada, to design an =
 =

implementation rather than whether or not it provides a given  =

implementation embedded in the language. It's not a set of libraries, it=
's  =

a programming language (it's a common pitfall I feel, when people start =
 =

confusing between libraries provided with languages and languages one  =

their own).

(*) And that implementation is a clean view, unlike the one of String  =

holding UTF-8 data.

-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D  [Ep=
igrams on  =

Programming =E2=80=94 Alan J. =E2=80=94 P. Yale University]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [Idem]
Java: Write once, Never revisit