Overloading "if object" unary operator
Roberto.Bonvallet at cern.ch
Wed Nov 29 17:24:03 CET 2006
Sarcastic Zombie wrote:
> For example, in the code:
> a = A(56)
> if a:
> print "Hoo hah!"
> how can I insure that the if will come back true and fire off the print
> if and only if self.id is defined? I want to do this in an overloaded,
> generic way, if possible; I know that I could test for a.id.
Define a method called __nonzero__ that returns True or False.
More information about the Python-list