felixt at dicksonstreet.com
Sun Feb 20 20:38:08 CET 2000
At 22:47 2/17/00 GMT, jhefferon at my-deja.com wrote:
>I have a class, rclass. It has an attribute value. Can I arrange
>so that the string
>sets r1.value to equal r2.value (where r1 and r2 are class instances,
>of course) without changing anything else about r1? I'm willing to
>test, say, that r1.classtype==r2.classtype or something, first to make
>sure the assignment is sensible.
>And if so, can I also have r1=7 set r1.value to be 7?
>I want to have a box in a GUI where users can enter code, such as
>assignments, and I'd like to avoid the reference to the underlying
>Jim Hefferon jim at joshua.smcvt.edu
>Sent via Deja.com http://www.deja.com/
>Before you buy.
Would it be OK for this assignment to use another operation ?
You could use something like-
def __lshift__(self, other):
if hasattr(other, 'value'):
self.value = other.value
self.value = other
then your users could type r1 << r2 to put the value of r2 into r1.
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