deriving from float or int

[Robert Kern]

Russ wrote:
> The problem is that when I derive a new class from float, the darn
> thing won't let me create a constructor that accepts more than one
> argument. I need two arguments: one for the numerical value and one for
> the units. But when I try to give the constructor two arguments, I get
> this when I call the constructor:
> 
> TypeError: float() takes at most 1 argument (2 given)
> 
> In other words, python doesn't seem to want to let me "extend" the
> float type. I don't understand the reason for that, but I assume there
> is a reason.

http://www.python.org/2.2.3/descrintro.html#__new__

-- 
Robert Kern
robert.kern at gmail.com

"In the fields of hell where the grass grows high
 Are the graves of dreams allowed to die."
  -- Richard Harter