| 39 | } |
| 40 | |
| 41 | func TestVisitedList(t *testing.T) { |
| 42 | numbers := make([]int, size) |
| 43 | for i := range numbers { |
| 44 | numbers[i] = i |
| 45 | } |
| 46 | |
| 47 | before := time.Now() |
| 48 | numbersContained := make([]bool, size) |
| 49 | fmt.Printf("init slice took %s\n", time.Since(before)) |
| 50 | |
| 51 | for i := range numbers { |
| 52 | if i%150 == 0 { |
| 53 | // contained := true |
| 54 | numbersContained[i] = true |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | before = time.Now() |
| 59 | for i := range numbers { |
| 60 | el := numbersContained[i] |
| 61 | _ = el |
| 62 | } |
| 63 | fmt.Printf("slice lookups took %s\n", time.Since(before)) |
| 64 | } |