Todd Gamblin f58c503091 avoid creating lots of dictionaries in traverse_edges() ... - This is an optimization to the way traverse_edges iterates over successors. - Previous version called dependencies_dict(), which involved a lot of redundant work (creating dicts and calling caonical_deptype)		2017-10-13 19:46:57 -07:00
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spack	avoid creating lots of dictionaries in traverse_edges()	2017-10-13 19:46:57 -07:00