[Boost-users] Determining whether a key already exists in a labeled graph

Is there a way to tell if a labeled graph already contains a key? As I'm constructing my graph from database data, I would like to check whether a node's parent already exists, and if not create it. -- View this message in context: http://boost.2283326.n4.nabble.com/Determining-whether-a-key-already-exists-... Sent from the Boost - Users mailing list archive at Nabble.com.