andrew cooke wrote:
Context - http://docs.python.org/3.0/reference/datamodel.html?highlight=data
model#object.__iadd__
Just a suggestion I thought I'd throw out... There's a restriction in
the language implementation on exactly what can go the left of an
augmented arithmetic expression.
For example:
a = 3
a **= 2
is ok, but:
class Foo():
... def __init__():
... self.a = 3
... def __ipow__(self, x):
... self.a **= x
...
Foo() **= 2
Calls return objects and therefore cannot be the target of an
assignment, augmented or otherwise. The target of an assignment is a
name or collection slot, both of which are grammatical constructs, not
objects.
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