概述
say I want to overload an operator (lets say + for now) for some class I've created,
class A (object):
#code here
and then:
a = A()
b = A()
what would I do to define:
c = a + b
or something along those lines?
(note: this question is purely theoretical I will likely use this at some time, just not currently (unless its really easy and I really need a use for it))
(p.s. if it is possible to do this for other things such as and, or, not, str, e.t.c.)
解决方案
Since A is the first operand of the binary operator, you should define A.__add__(). If A was the second operand and there was no way to change the class of the first operand, you would have to define A.__radd__().
最后
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