Joshua Harlow 81d0884d55 Provide the length of the flows. ...

Its useful to be able to check if a flow contains
anything by just inspecting the len() of the flow.
This can be used to avoid running a flow in the
first place if nothing is in said flow.

Change-Id: Ibfea7f10fc67d5dd3ddfa6f6fe6c08805562998a

2013-07-10 00:00:04 -07:00

11 KiB

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