Re: What other languages use the same data model as Python?

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From	Grant Edwards <invalid@invalid.invalid>
Newsgroups	comp.lang.python
Subject	Re: What other languages use the same data model as Python?
Date	Tue, 3 May 2011 14:49:04 +0000 (UTC)
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On 2011-05-03, Hans Georg Schaathun <hg@schaathun.net> wrote:
> On 01 May 2011 08:45:51 GMT, Steven D'Aprano
>  <steve+comp.lang.python@pearwood.info> wrote:
>:  Python uses a data model of "name binding" and "call by object" (also 
>:  known as "call by sharing"). I trust I don't need to define my terms, but 
>:  just in case:
>
> Without having the time to get my hand around exactly what this means:
> Simula has three ways of transmitting arguments, namely transmission
> by name, by value, and by reference.  Is transmission by name the same
> as call by object?

No.  For example, assume the argument is a[i].

In call by object, the expression a[i] is evaluated (i is evaluated,
and then used as an index to determine the object that is the ith
element of a).  The callee's argument name is then bound to that
object.

In call by name, every time the callee references the argument name,
the expression a[i] is evaluated anew.  If the value of 'i' or the
binding of 'a' has changed since the time of the function call, then
the callee's argument now refers to a different object than it did at
the time of the the function call.  It's rather like a macro language
(e.g. cpp) which merely performs a textual substitution of the 
argument name (the difference between pass-by-name and macro
substitution is that the context of the argument evaluation is
different).

-- 
Grant Edwards               grant.b.edwards        Yow! Well, I'm INVISIBLE
                                  at               AGAIN ... I might as well
                              gmail.com            pay a visit to the LADIES
                                                   ROOM ...

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What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-01 08:45 +0000
Re: What other languages use the same data model as Python? Alec Taylor <alec.taylor6@gmail.com> - 2011-05-01 19:00 +1000
Re: What other languages use the same data model as Python? Chris Rebert <clp2@rebertia.com> - 2011-05-01 02:04 -0700
Re: What other languages use the same data model as Python? Terry Reedy <tjreedy@udel.edu> - 2011-05-01 15:10 -0400
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-02 10:37 +1200
Re: What other languages use the same data model as Python? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-05-02 07:45 +0000
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-02 13:12 +0000
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-02 10:33 +1200
Re: What other languages use the same data model as Python? Terry Reedy <tjreedy@udel.edu> - 2011-05-01 21:42 -0400
Re: What other languages use the same data model as Python? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2011-05-02 00:28 -0700
Re: What other languages use the same data model as Python? Duncan Booth <duncan.booth@invalid.invalid> - 2011-05-02 08:43 +0000
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-03 13:39 +0100
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-03 14:49 +0000
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-03 15:20 +0000
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-03 22:10 +0100
Re: What other languages use the same data model as Python? Mel <mwilson@the-wire.com> - 2011-05-03 12:33 -0400
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-03 16:52 +0000
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-03 21:47 +0100
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-04 08:00 +1000
Re: What other languages use the same data model as Python? Devin Jeanpierre <jeanpierreda@gmail.com> - 2011-05-04 02:56 -0700
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-04 10:51 +0000
Re: What other languages use the same data model as Python? Paul Rubin <no.email@nospam.invalid> - 2011-05-04 03:58 -0700
Re: What other languages use the same data model as Python? Devin Jeanpierre <jeanpierreda@gmail.com> - 2011-05-04 06:12 -0700
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-04 14:44 +0100
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-05 00:20 +1000
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-04 18:09 +0100
Re: What other languages use the same data model as Python? Devin Jeanpierre <jeanpierreda@gmail.com> - 2011-05-04 09:18 -0700
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-04 18:03 +0100
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-05 20:55 +1200
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-05 11:31 +0100
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-07 21:21 +1200
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-07 19:28 +1000
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-08 10:39 +1200
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-08 02:17 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-07 23:10 -0500
Re: What other languages use the same data model as Python? rusi <rustompmody@gmail.com> - 2011-05-07 22:48 -0700
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-09 12:52 +1200
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-09 11:38 +0100
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-09 21:18 +1000
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-09 21:53 +0100
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-09 14:29 +0000
Re: What other languages use the same data model as Python? Tim Golden <mail@timgolden.me.uk> - 2011-05-09 15:41 +0100
Re: What other languages use the same data model as Python? Ethan Furman <ethan@stoneleaf.us> - 2011-05-09 10:15 -0700
Re: What other languages use the same data model as Python? Mel <mwilson@the-wire.com> - 2011-05-09 13:38 -0400
Re: What other languages use the same data model as Python? Terry Reedy <tjreedy@udel.edu> - 2011-05-09 16:23 -0400
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-09 16:28 -0500
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-09 07:23 +0100
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 15:14 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 14:22 -0500
Re: What other languages use the same data model as Python? Benjamin Kaplan <benjamin.kaplan@case.edu> - 2011-05-04 15:46 -0400
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 14:58 -0500
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-04 21:40 +0100
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-05 21:31 +1200
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 14:50 +0000
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 12:14 +0000
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-05 22:37 +1000
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-04 20:58 +0100
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 16:49 -0500
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-05 07:12 +0100
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-05 21:08 +1200
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-05 19:12 +1000
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 14:30 +0000
Re: What other languages use the same data model as Python? TheSaint <nobody@nowhere.net.no> - 2011-05-07 20:18 +0800
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 12:49 +0000
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 14:31 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 09:40 -0500
Re: What other languages use the same data model as Python? Roy Smith <roy@panix.com> - 2011-05-05 10:49 -0400
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 14:47 -0500
Re: What other languages use the same data model as Python? Ben Finney <ben+python@benfinney.id.au> - 2011-05-05 07:43 +1000
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-05 12:43 +1000
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 15:42 +0000
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-07 22:04 +1200
Re: What other languages use the same data model as Python? Ben Finney <ben+python@benfinney.id.au> - 2011-05-08 06:09 +1000
Re: What other languages use the same data model as Python? Roy Smith <roy@panix.com> - 2011-05-07 16:24 -0400
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-08 10:54 +1200
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-08 09:43 +1000
Re: What other languages use the same data model as Python? Ben Finney <ben+python@benfinney.id.au> - 2011-05-08 11:16 +1000
Re: What other languages use the same data model as Python? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2011-05-07 23:16 -0700
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-08 16:32 +1000
Re: What other languages use the same data model as Python? John Nagle <nagle@animats.com> - 2011-05-04 14:52 -0700
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 19:46 -0500
Re: What other languages use the same data model as Python? John Nagle <nagle@animats.com> - 2011-05-04 21:32 -0700
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-05 22:06 +1200
Re: What other languages use the same data model as Python? John Nagle <nagle@animats.com> - 2011-05-05 08:41 -0700
Re: What other languages use the same data model as Python? Ian Kelly <ian.g.kelly@gmail.com> - 2011-05-05 10:44 -0600
Re: What other languages use the same data model as Python? Chris Torek <nospam@torek.net> - 2011-05-06 17:57 +0000
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-07 21:39 +1200
Re: What other languages use the same data model as Python? Mel <mwilson@the-wire.com> - 2011-05-05 07:44 -0400
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-05 21:48 +1000
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 13:59 +0000
Re: What other languages use the same data model as Python? John Nagle <nagle@animats.com> - 2011-05-05 08:58 -0700
Re: What other languages use the same data model as Python? Neil Cerutti <neilc@norwich.edu> - 2011-05-05 13:19 +0000
Re: What other languages use the same data model as Python? Terry Reedy <tjreedy@udel.edu> - 2011-05-05 14:39 -0400
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-04 11:56 +0100
Re: What other languages use the same data model as Python? Devin Jeanpierre <jeanpierreda@gmail.com> - 2011-05-04 06:13 -0700
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 14:33 -0500
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-04 20:19 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 16:35 -0500
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-04 21:57 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 20:11 -0500
Re: What other languages use the same data model as Python? Mark Hammond <mhammond@skippinet.com.au> - 2011-05-05 12:09 +1000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 23:01 -0500
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-05 22:19 +1200
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 14:17 +0000
Re: What other languages use the same data model as Python? Roy Smith <roy@panix.com> - 2011-05-05 10:31 -0400
Re: What other languages use the same data model as Python? Neil Cerutti <neilc@norwich.edu> - 2011-05-05 15:10 +0000
Re: What other languages use the same data model as Python? Roy Smith <roy@panix.com> - 2011-05-05 11:29 -0400
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-06 08:01 +1000
Re: What other languages use the same data model as Python? Neil Cerutti <neilc@norwich.edu> - 2011-05-06 13:10 +0000
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 16:57 +0000
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 16:56 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 11:58 -0500
Re: What other languages use the same data model as Python? Neil Cerutti <neilc@norwich.edu> - 2011-05-05 17:39 +0000
Re: What other languages use the same data model as Python? Ian Kelly <ian.g.kelly@gmail.com> - 2011-05-05 13:13 -0600
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 15:12 -0500
Re: What other languages use the same data model as Python? Tim Roberts <timr@probo.com> - 2011-05-04 20:23 -0700
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 23:55 -0500
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 14:21 +0000
Re: What other languages use the same data model as Python? Mel <mwilson@the-wire.com> - 2011-05-05 08:09 -0400
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-05 07:34 +0100
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 14:10 +0000
Re: What other languages use the same data model as Python? Mel <mwilson@the-wire.com> - 2011-05-05 11:30 -0400
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 10:56 -0500
RE: What other languages use the same data model as Python? Andreas Tawn <andreas.tawn@ubisoft.com> - 2011-05-05 18:27 +0200
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-07 22:09 +1200
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-06 07:56 +1000
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 14:14 +0000
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 15:11 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 11:00 -0500
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 16:52 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 12:03 -0500
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-07 22:12 +1200
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-07 12:03 +0000
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 16:48 +0000
Re: What other languages use the same data model as Python? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2011-05-05 22:24 -0700
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 11:18 -0500
Re: What other languages use the same data model as Python? Ethan Furman <ethan@stoneleaf.us> - 2011-05-05 10:28 -0700
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 12:19 -0500
Re: What other languages use the same data model as Python? Chris Torek <nospam@torek.net> - 2011-05-06 18:17 +0000
Re: What other languages use the same data model as Python? Chris Torek <nospam@torek.net> - 2011-05-06 19:06 +0000
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-06 14:25 -0500
Re: What other languages use the same data model as Python? Chris Angelico <rosuav@gmail.com> - 2011-05-07 09:43 +1000
Re: What other languages use the same data model as Python? Ian Kelly <ian.g.kelly@gmail.com> - 2011-05-04 16:22 -0600
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 19:51 -0500
Re: What other languages use the same data model as Python? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-05 14:51 +0000
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-04 21:20 +0100
Re: What other languages use the same data model as Python? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2011-05-04 22:10 -0700
Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-05 00:19 -0500
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 14:25 +0000
Re: What other languages use the same data model as Python? sturlamolden <sturla@molden.no> - 2011-05-04 07:44 -0700
Re: What other languages use the same data model as Python? Michael Torrie <torriem@gmail.com> - 2011-05-04 09:40 -0600
Re: What other languages use the same data model as Python? sturlamolden <sturla@molden.no> - 2011-05-04 09:40 -0700
Re: What other languages use the same data model as Python? Benjamin Kaplan <benjamin.kaplan@case.edu> - 2011-05-04 13:15 -0400
Re: What other languages use the same data model as Python? sturlamolden <sturla@molden.no> - 2011-05-04 10:19 -0700
Re: What other languages use the same data model as Python? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-05 15:48 +1200
Re: What other languages use the same data model as Python? Hans Georg Schaathun <hg@schaathun.net> - 2011-05-05 05:58 +0100
Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-05 14:24 +0000
Re: What other languages use the same data model as Python? Hrvoje Niksic <hniksic@xemacs.org> - 2011-05-03 15:50 +0200
Re: What other languages use the same data model as Python? sturlamolden <sturla@molden.no> - 2011-05-04 07:28 -0700

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