No method overloadin I suppose ?

Gerald Klix gklix at hassler.de
Thu Apr 13 11:39:43 CEST 2000


Thomas SMETS wrote:

> ## Beginning of Python program ...
> class Lister:
>   def __init__(self):
>     print 'In constructor ...'
>     __init__(1)
>
>   def __init__(self, lValue):
>     print 'In constructor with parameter'
>     self.l = lValue
>
>   def __repr__(self):
>     print '\n******\n\tValue is : ', l, '\n********'
>
> if __name__ == "__main__":
>   x = Lister()
>   y = Lister (2)
> ## End of python program
>
> Trace of execution is :
> Traceback (innermost last):
>   File "Minheritence.py", line 14, in ?
>   x = Lister()
> TypeError: not enough arguments; expected 2, got 1
> End of trace ...
>
> I guess I can't do methods overloadin', as shown... WHY is that ? I'm
> wrong ?
>
> Thomas,
>
> --

Yes Thomas, you can't do overloading. The second __init__ method
overides the first one.
But you can do:
def __init__( self, lValue = 1 ):
 self.l = lValue

Gerald




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