https://issues.dlang.org/show_bug.cgi?id=17526
--- Comment #3 from [email protected] --- @Vladimir: you have a good point, it should still be possible to append stuff to the AA. What about a const overload to opIndexAssign that lets you assign to a new key, but aborts if the key already exists? I'm a little hesitant about adding a whole new method to set a key in an AA. I'm not sure what to do about the abort... throw an AssertError? RangeError? --
