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/gist:335850
Created Mar 17, 2010

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class Vector:
"""
Demo of a class with multiple signatures for the constructor
"""
def __init__(self, constructor=()):
self.values = list(constructor)
@classmethod
def from_values(cls, *args):
return cls(args)
# There's no real reason to have a separate vector constructor, we could do this:
def __iter__(self):
return iter(self.values)
# otherwise:
@classmethod
def from_vector(cls, vector):
return cls(vector.values)
#------------ end of class definition ---------------------
v = Vector.from_values(1,2,3)
v = Vector([4,5,6])
q = Vector.from_vector(v);
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