From: Victor Porton <porton@narod.ru>
Subject: Re: Functions vs constants
Date: Thu, 24 Jul 2014 15:25:05 +0300
Date: 2014-07-24T15:25:05+03:00 [thread overview]
Message-ID: <lqqtuu$v8g$1@speranza.aioe.org> (raw)
In-Reply-To: wcctx673fik.fsf@shell01.TheWorld.com
Robert A Duff wrote:
> Victor Porton <porton@narod.ru> writes:
>
>> Isn't the following a mis-design of Ada?
>>
>> Constants in a good programming language should be equivalent to
>> argument- less functions which return these constants.
>
> Those are equivalent in a pure functional language. Not in Ada.
>
> E.g. a constant initialized to "new T" always denotes the same heap
> object, whereas a function that says "return new T" returns a new
> object every time it's called.
You've misunderstood me.
I don't say that every function should be equivalent to a constant, but just
that every constant should be equivalent to a function.
A function that says "return new T" is not equivalent to a constant.
--
Victor Porton - http://portonvictor.org
next prev parent reply other threads:[~2014-07-24 12:25 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-21 21:18 Functions vs constants Victor Porton
2014-07-21 21:28 ` Victor Porton
2014-07-21 21:49 ` Shark8
2014-07-21 21:52 ` Victor Porton
2014-07-21 21:59 ` Adam Beneschan
2014-07-21 21:35 ` Niklas Holsti
2014-07-21 21:41 ` Victor Porton
2014-07-21 23:23 ` Randy Brukardt
2014-07-22 7:42 ` Dmitry A. Kazakov
2014-07-22 22:07 ` Randy Brukardt
2014-07-23 7:55 ` Dmitry A. Kazakov
2014-07-23 21:44 ` Randy Brukardt
2014-07-23 12:37 ` G.B.
2014-07-23 22:12 ` Randy Brukardt
2014-07-24 7:20 ` Stefan.Lucks
2014-07-25 4:43 ` Randy Brukardt
2014-07-26 2:36 ` Shark8
2014-07-24 8:27 ` Georg Bauhaus
2014-07-24 10:11 ` Dmitry A. Kazakov
2014-07-24 10:49 ` G.B.
2014-07-24 12:50 ` Dmitry A. Kazakov
2014-07-25 4:56 ` Randy Brukardt
2014-07-25 6:45 ` Georg Bauhaus
2014-07-25 10:46 ` G.B.
2014-07-25 19:31 ` Randy Brukardt
2014-07-25 20:02 ` Dmitry A. Kazakov
2014-07-26 2:45 ` Shark8
2014-07-26 8:02 ` Dmitry A. Kazakov
2014-07-26 14:03 ` Shark8
2014-07-26 14:18 ` Dmitry A. Kazakov
2014-07-21 21:55 ` Victor Porton
2014-07-22 7:06 ` Maciej Sobczak
2014-07-22 7:50 ` Dmitry A. Kazakov
2014-07-22 22:14 ` Randy Brukardt
2014-07-23 13:21 ` Stephen Leake
2014-07-23 13:27 ` Victor Porton
2014-07-23 15:10 ` Adam Beneschan
2014-07-23 21:57 ` Robert A Duff
2014-07-24 12:25 ` Victor Porton [this message]
2014-07-24 15:53 ` Robert A Duff
2014-07-24 15:57 ` Victor Porton
2014-07-24 16:47 ` Pascal Obry
2014-07-24 12:26 ` anon
2014-07-24 12:52 ` Victor Porton
2014-07-24 16:01 ` Robert A Duff
2014-07-24 16:15 ` Adam Beneschan
2014-07-25 5:05 ` Randy Brukardt
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