Rich ComparisonsExample: Complex numbersclass Complex: def __init__(self,r,i): self.real = r self.imag = i def __eq__(self,other): if self.real == other.real and \ self.imag == other.imag: return 1 return 0 def __ne__(self,other): return not self.__eq__(other) def __lt__(self,other): raise TypeError, "can't compare with <, <=, >, >=" __le__ = Complex.__lt__ __ge__ = Complex.__lt__ __gt__ = Complex.__lt__ |
<<< | O'Reilly OSCON 2001, New Features in Python 2, Slide 25 July 26, 2001, beazley@cs.uchicago.edu |
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