def Set.from_list.go
import Base3098def Set.from_list.go(keys: List<&2, String>, s: Set()) -> Set():
3099 match keys:
3100 case Nil{}:
3101 s
3102 case h <> t:
3103 Set.from_list.go(t, Set.add(s, h))
import Base3098def Set.from_list.go(keys: List<&2, String>, s: Set()) -> Set():
3099 match keys:
3100 case Nil{}:
3101 s
3102 case h <> t:
3103 Set.from_list.go(t, Set.add(s, h))