Remove duplicated items in slice

func SliceUniqMap(s []int) []int {
  // @see https://www.reddit.com/r/golang/comments/5ia523/idiomatic_way_to_remove_duplicates_in_a_slice/db6qa2e/
	seen := make(map[int]struct{}, len(s))
	j := 0
	for _, v := range s {
		if _, ok := seen[v]; ok {
			continue
		}
		seen[v] = struct{}{}
		s[j] = v
		j++
	}
	return s[:j]
}