That's called "Operator overloading" In this case the operator happens to look like a function, but it's not really any different than a + b -> a.__add__(b)
That's not just simple operator overloading. What mitsuhiko refers to is that iter() can iterate over an object not just when you implement __iter__() but also when you implement __getitem__() and __len__(), bool() has similar semantics as do several other functions and operators.
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That's called "Operator overloading" In this case the operator happens to look like a function, but it's not really any different than a + b -> a.__add__(b)
That's not just simple operator overloading. What mitsuhiko refers to is that iter() can iterate over an object not just when you implement __iter__() but also when you implement __getitem__() and __len__(), bool() has similar semantics as do several other functions and operators.