t.Run(test.name, func(t *testing.T) {
			if out := ToString(test.in); test.out != out {
				t.Fatalf("ToString(%v) want: %s, got: %s", test.in, test.out, out)
			}
		})
	}
}

func TestRTrimSlice(t *testing.T) {
	tests := []struct {
		name     string
		input    []int
		trimLen  int
		expected []int
	}{
		{
			name:     "Trim two elements from end",
			input:    []int{1, 2, 3, 4, 5},