code: func slicesEquiv(lhs, rhs []string) bool {
  	if len(lhs) != len(rhs) {
  		return false
  	}
  	if reflect.DeepEqual(slice.SortStrings(lhs), slice.SortStrings(rhs)) {
  		return true
  	}
  	return false
  }
docs: // Tests whether two slices are equivalent.  This sorts both slices in-place.