Arguments and attributes with the same name

[bearophile]

Ary Borenszweig:

> This can be solved if the compiler warns when an assignment is from a 
> variable to the same one.
> 
> x = x; // error: assignment has no effect

That's nice in general to have, but I think it's not enough, because if I want to assign to an attribute an incremented value:
x = x+1;
What is that x? The attribute or the argument?

Bye,
bearophile