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Need advice about inheritance [message #44098]

Sat, 21 May 2005 08:03

wcramer
Messages: 9
Registered: February 2005

Junior Member

I have two classes:

------
"data": maintains a list of x, y data values and provide methods for
operations between two "data" classes (i.e., "multiply", "add", etc.)

"timedata": inherits "data" and treats x as time and y as value data
------

Methods such as "add" should return another object instance of the same
class as "self". Is there a way to get "add" to return a "timedata"
object without having to copy the method verbatim from the "data" class
to the "timedata" class? The functionality is exactly the same, so I
really don't want to do that. Also, I can't dynamically define the
class name for my call to obj_new because the init parameters are
different.

Any advice would be greatly appreciated.

Thanks,
Doug

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[Message index]

		Need advice about inheritance By: wcramer on Sat, 21 May 2005 08:03
		Re: Need advice about inheritance By: Antonio Santiago on Mon, 23 May 2005 08:34
		Re: Need advice about inheritance By: wcramer on Tue, 07 June 2005 10:48
		Re: Need advice about inheritance By: Antonio Santiago on Fri, 10 June 2005 02:21
		Re: Need advice about inheritance By: marc schellens[1] on Fri, 10 June 2005 01:06
		Re: Need advice about inheritance By: wcramer on Mon, 23 May 2005 08:13
		Re: Need advice about inheritance By: wcramer on Mon, 23 May 2005 08:00
		Re: Need advice about inheritance By: Michael Wallace on Fri, 10 June 2005 11:46
		Re: Need advice about inheritance By: Antonio Santiago on Sun, 22 May 2005 23:28
		Re: Need advice about inheritance By: David Fanning on Sat, 21 May 2005 16:46

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