Function contains

cmd/ls_test.go:694–696

(s, substr string)

}

func contains(s, substr string) bool {
	return len(s) >= len(substr) && (s == substr || len(s) > 0 && stringContains(s, substr))
}

func stringContains(s, substr string) bool {
	for i := 0; i <= len(s)-len(substr); i++ {