rs387 wrote: > On Oct 2, 8:11 am, Erik Max Francis <[EMAIL PROTECTED]> wrote: >> It's because the `+=` operator is doing the equivalent of calling the >> `extend` method, which treats its argument as a generic sequence, and >> doesn't enforce type. > > I see. Do you know whether this is seen as a problem with the language > design?
No.
[1,2,3] + [4,5,6]
produces
[1,2,3,4,5,6]
not
[1,2,3,[4,5,6]]
Mel.
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