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From: Simon Clubley <clubley@remove_me.eisner.decus.org-Earth.UFP>
Subject: Re: why Ada type casting is different from other languages? newType(value) vs. (newType)value
Date: Mon, 14 Jul 2014 19:41:58 +0000 (UTC)
Date: 2014-07-14T19:41:58+00:00	[thread overview]
Message-ID: <lq1bq1$o5d$1@dont-email.me> (raw)
In-Reply-To: 53c40435$0$6612$9b4e6d93@newsspool4.arcor-online.net

On 2014-07-14, G.B. <rm-dash-bau-haus@dash.futureapps.de> wrote:
>
> It appears that in some situations style alone is not a permissible
> language design guide. WRT syntax, McIver and Conway explain, with
> novice programmers in mind, that there needs to be a good signal
> to noise ratio and that this may mean just enough syntax, but also
> enough syntax.  In particular, they address "homonyms",
> as in "type(expression)" vs "something-else(expression)".
>
> "Alternatively, it may be better to increase the complex-
>   ity of the syntax in order to reduce homonyms which blur
>   the signal. For example, the meaning of the various compo-
>   nents of the Turing expression^7:
>
>
>     f(C(p).A(I))(N)
>
> "might be better conveyed with the syntax:
>
>     f(C::p->A_{I})[N]
>

To be honest, that suggestion by the authors sounds a bit bogus to me.

By the time a newcomer is far enough along to understand the concepts
behind that syntax, does that person really still need that special
syntax ?

The above is not what you would teach a student new to programming
in their first week of class.

Simon.

-- 
Simon Clubley, clubley@remove_me.eisner.decus.org-Earth.UFP
Microsoft: Bringing you 1980s technology to a 21st century world


  parent reply	other threads:[~2014-07-14 19:41 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-13  1:55 why Ada type casting is different from other languages? newType(value) vs. (newType)value Nasser M. Abbasi
2014-07-13  3:01 ` Shark8
2014-07-13  6:26 ` Jeffrey Carter
2014-07-13 14:33   ` Dan'l Miller
2014-07-13  9:01 ` Niklas Holsti
2014-07-13  9:08   ` Dmitry A. Kazakov
2014-07-13 10:20     ` AdaMagica
2014-07-13 10:24     ` Georg Bauhaus
2014-07-14 23:36       ` Randy Brukardt
2014-07-15 18:42         ` G.B.
2014-07-15 19:14           ` Niklas Holsti
2014-07-15 22:47             ` Georg Bauhaus
2014-07-15 19:19           ` Jeffrey Carter
2014-07-15 23:07             ` Georg Bauhaus
2014-07-15 22:00           ` Randy Brukardt
2014-07-13 14:42 ` Dan'l Miller
2014-07-14 15:25 ` Adam Beneschan
2014-07-14 16:24   ` G.B.
2014-07-14 17:41     ` Simon Wright
2014-07-14 19:41     ` Simon Clubley [this message]
2014-07-14 20:51       ` Dan'l Miller
2014-07-14 23:23       ` Randy Brukardt
2014-07-15 19:22 ` Marius Amado-Alves
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