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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: why Ada type casting is different from other languages? newType(value)   vs. (newType)value
Date: Sun, 13 Jul 2014 11:08:30 +0200
Date: 2014-07-13T11:08:30+02:00	[thread overview]
Message-ID: <1cqb2iccfzox2$.f74qor2zqcub.dlg@40tude.net> (raw)
In-Reply-To: c2f070Ffne5U1@mid.individual.net

On Sun, 13 Jul 2014 12:01:26 +0300, Niklas Holsti wrote:

> Ranting aside, the C form has the clear disadvantage that one must
> remember precedence rules to understand what is being converted:
> 
>   is (float)i the same as (float)i + j,
>   or is it the same as (float)(i + j) ?
> 
> In the Ada form, type(value), the parentheses nicely enclose the value
> to be converted. Much better IMO.

BTW, in Ada one need not remember precedence rules because all expressions
where unary operation might be ambiguous are illegal:

   not X and Y -- Illegal, brackets required
   X and not Y -- That's OK

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de

  reply	other threads:[~2014-07-13  9:08 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 [this message]
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
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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