Is there a built in simple API/mechanism for reading/writing key/value pairs that need to persist across runs of your code?
I would normally use SQLite or something like that in Java, but if there is something built in to go that would be even better. (i.e. why depend on libraries when you don't need to)
It is possible using one of the built in marshallers. For example, you can see the JSON marshal and un-marshal examples here: