dictionary - Can marshalling a map[string]string to json return an error?

Question

Say I have the following code:

m := map[string]string{}
//... do stuff to the map
b, err := json.Marshal(m)

Is there any way in this case that the json.Marshal call would return an error?

I'm wondering partly out of curiosity and partly to consider whether I need to worry about that error check at all.

Answer 1

Waitting for answers