forked from root/public
2 changed files with 37 additions and 22 deletions
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## countif |
## listpushback |
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### Instructions |
### Instructions |
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Écrire une fonction `CountIf` qui retournes le nombre d'éléments d'un tableau de `string` pour lesquels la fonction `f` retourne `true`. |
Write a function `ListLast` that returns the last element of the linked list. |
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### Fonction attendue |
### Expected function and structure |
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```go |
```go |
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func CountIf(f func(string) bool, tab []string) int { |
type Node struct { |
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Data interface{} |
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Next *Node |
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} |
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type List struct { |
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Head *Node |
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Tail *Node |
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} |
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func ListLast(l *List) *List { |
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} |
} |
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``` |
``` |
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### Utilisation |
### Usage |
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Voici un éventuel [programme](TODO-LINK) pour tester votre fonction : |
Here is a possible [program](TODO-LINK) to test your function : |
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```go |
```go |
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package main |
package main |
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import ( |
import ( |
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"fmt" |
"fmt" |
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piscine ".." |
piscine ".." |
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) |
) |
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func main() { |
func main() { |
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tab1 := []string{"Hello", "how", "are", "you"} |
link := &piscine.List{} |
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tab2 := []string{"This","1", "is", "4", "you"} |
link2 := &piscine.List{} |
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answer1 := piscine.CountIf(piscine.IsNumeric, tab1) |
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answer2 := piscine.CountIf(piscine.IsNumeric, tab2) |
piscine.ListPushBack(link, "three") |
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fmt.Println(answer1) |
piscine.ListPushBack(link, 3) |
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fmt.Println(answer2) |
piscine.ListPushBack(link, "1") |
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fmt.Println(piscine.ListLast(link)) |
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fmt.Println(piscine.ListLast(link2)) |
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} |
} |
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``` |
``` |
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Et son résultat : |
And its output : |
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```console |
```console |
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student@ubuntu:~/piscine/test$ go build |
student@ubuntu:~/piscine/test$ go build |
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student@ubuntu:~/piscine/test$ ./test |
student@ubuntu:~/piscine/test$ ./test |
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0 |
1 |
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2 |
<nil> |
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student@ubuntu:~/piscine/test$ |
student@ubuntu:~/piscine/test$ |
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``` |
``` |
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