call by reference howto????
tjreedy at udel.edu
Thu Mar 13 22:20:14 CET 2008
"Antoon Pardon" <apardon at forel.vub.ac.be> wrote in message
news:slrnfthp1s.61k.apardon at rcpc42.vub.ac.be...
| On 2008-02-28, Steven D'Aprano <steve at REMOVE-THIS-cybersource.com.au>
| > On Thu, 28 Feb 2008 02:02:19 +0200, Tamer Higazi wrote:
| >> Hi!
| >> Can somebody of you make me a sample how to define a function based on
| >> "call by reference" ???
| > Python doesn't do call by reference. Nor does it do call by value.
| > pay no attention to anyone who says it does.
| Whatever python has for a calling convention, it is close enough that
| naming it "call by reference" gives people a reasonable idea of what
| is going on.
But it is also different enough to mislead people.
| AFAICS people don't have a problem with understanding the calling
| convention of python. They have a problem understanding the
| assignment semantics.
The calling convention is cross-namespace assignment. So one cannot
understand calls without understanding assignment.
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