On Mon, Jan 12, 2009 at 10:28 AM, Terry Brown > > > Can you explain again what's wrong with the if not stack: return None > approach?
top-level positions have an empty stack. Take a look at p.__nonzero__ and p.__bool__. The proper test is against p.v, not p.stack. Rather than returning None, you could return c.nullPosition(). Edward --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "leo-editor" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/leo-editor?hl=en -~----------~----~----~----~------~----~------~--~---
