Slice as a key in map

Is it possible to use slices as keys?

There is my attempt:

h := map[[]string]string{
  []string{"a", "b"} : "ab",

the compiler gives me an error invalid map key type []string . So either it’s not possible or I declared it incorrectly (if so, what would be a correct way?).

No, slices cannot be used as map keys as the have no equality defined.