Go utility functions

utilities.go

func mergeSlices(s1, s2 []string) []string {
	if s1 == nil {
		return s2
	} else if s2 == nil {
		return s1
	}
S1Loop:
	for _, e1 := range s1 {
		for _, e2 := range s2 { // Avoid duplicates.
			if e1 == e2 {
				continue S1Loop
			}
		}
		s2 = append(s2, e1)
	}
	return s2
}