Function listDifference

signals_test.go:206–222

Return the difference of the two lists: the elements that are present in the first list, but not in the second one. The notion of presence is not with `=` but with string.Contains(l2, l1). FIXME this does not enforce ordering. We might want to support both.

(lines1, lines2 []string)

// string.Contains(l2, l1).
// FIXME this does not enforce ordering. We might want to support both.
func listDifference(lines1, lines2 []string) []string {
	difference := []string{}
	for _, l1 := range lines1 {
		found := false
		for _, l2 := range lines2 {
			if strings.Contains(l2, l1) {
				found = true
				break
			}
		}
		if !found {
			difference = append(difference, l1)
		}
	}

	return difference
}

// Return the intersection of the two lists: the elements that are present in both lists.
// The notion of presence is not with '=' but with string.Contains(l2, l1)