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Groups > comp.lang.python > #4767

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

Date	2011-05-05 10:28 -0700
From	Ethan Furman <ethan@stoneleaf.us>
Subject	Re: What other languages use the same data model as Python?
References	(7 earlier) <WEjwp.18479$uh5.14097@newsfe02.iad> <ipsi49$cb5$1@reader1.panix.com> <GOmwp.13554$Vp.9996@newsfe14.iad> <ipubbu$e4q$1@reader1.panix.com> <G5Awp.19315$uh5.11722@newsfe02.iad>
Newsgroups	comp.lang.python
Message-ID	<mailman.1199.1304615797.9059.python-list@python.org> (permalink)

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harrismh777 wrote:
> Grant Edwards wrote:
>> I give up.  You don't seem to understand the C language defintion or
>> what is commonly meant by "pass by reference".
>>
> 
> ah, don't give up... here is a link that might help to clarify some of 
> these semantics...   me thinks:
> 
> http://en.wikipedia.org/wiki/Pass_by_reference#Call_by_value

Indeed it does (emphasis added):

"In call-by-reference evaluation (also referred to as 
pass-by-reference), a function receives an *implicit* reference to a 
variable used as argument"

In C the the reference is explicit, which the article states in the next 
paragraph:

"Even among languages that don't exactly support call-by-reference, 
many, including C and ML, support explicit references (objects that 
refer to other objects), such as pointers"

~Ethan~

PS
My thanks to those who kept explaining in various ways about the 
difference between language supported features and programmer constructs 
-- I hadn't realized before this thread that call-by-reference was not a 
language feature of C, but rather a programmer-implemented feature using 
the C operators.

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Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-02 13:12 +0000
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Re: What other languages use the same data model as Python? Grant Edwards <invalid@invalid.invalid> - 2011-05-03 14:49 +0000
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Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 14:33 -0500
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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
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Re: What other languages use the same data model as Python? harrismh777 <harrismh777@charter.net> - 2011-05-04 23:01 -0500
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Re: What other languages use the same data model as Python? Michael Torrie <torriem@gmail.com> - 2011-05-04 09:40 -0600
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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
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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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