Re: Problem with test pp28

On Jun 11, 2012, at 3:32 PM, Matthew Perry wrote:

> I think property path test pp28 may have an error. If '?' is a connectivity operator, then how is :z in the result twice?

'?' isn't just a connectivity operator -- it just adds results (the zero-length path results) to the path it is applied to (in this case, ':p/:p'). And since :p/:p just expands to a BGP, you get the doubled results since :z can be reached twice from :a (through either :b or :c).

.greg

Received on Monday, 11 June 2012 19:45:39 UTC