Method default argument whose type is the class not yet defined

[Ian Kelly]

On Sat, Nov 10, 2012 at 11:43 PM, Ian Kelly <ian.g.kelly at gmail.com> wrote:
> Where I wrote "(0,0) is the origin" above I was not referring to a
> point, not a tuple, but I can see how that was confusing.

What I meant to say is I *was* referring to a point.  Gah!