Re: setitem without position

Date	2012-10-11 16:23 -0700
From	Ethan Furman <ethan@stoneleaf.us>
Subject	Re: __setitem__ without position
References	<CA+C4C6c7GBdxs+jZPGNrpauvZXP7caGpPb8Q466HD7mV09731Q@mail.gmail.com> <CA+C4C6eMKa6i4Vk4b7hc8SxyDyutoRKkP9VLt0g3UWs+v5ehTw@mail.gmail.com> <50773AE5.7020400@davea.name> <CA+C4C6fZJMUtwyxsRdDTKzzEQWtxrYVpDT6chn1-yyF8VDK9og@mail.gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.2076.1349999473.27098.python-list@python.org> (permalink)

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Kevin Anthony wrote:
> I'm not supprised... and understand why it's happening.  I'm asking how 
> to get around it.

I don't think you do understand what's happening.

What's happening is the basic application of name binding in Python:

--> C = anything

whatever C was bound to before, it no longer is, because now it is bound 
to <anything>.

What you are trying to do is mutate C, not rebind it.  As Dave 
suggested, you can use slice notation ([:]) or some method of C (that 
you create) to do so.

> Basically i'm asking how to override, if i can, the `=`

You can't.

~Ethan~

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Re: __setitem__ without position Ethan Furman <ethan@stoneleaf.us> - 2012-10-11 16:23 -0700

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