Testing for the Presence of a Key in a Map
How do I determine if a map contains a given key?
http://stackoverflow.com/questions/2050391/how-to-check-if-a-map-contains-a-key-in-go
How do I determine if a map contains a given key?
http://stackoverflow.com/questions/2050391/how-to-check-if-a-map-contains-a-key-in-go