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## sortedlistmerge
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### Instructions
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Écrire une fonction `SortedListMerge` qui merge deux listes `n1` et `n2` en ordre ascendant.
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- Pendant les tests `n1` et `n2` seront déjà triées.
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### Fonction et structure attendues
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```go
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func SortedListMerge(n1 *NodeI, n2 *NodeI) *NodeI {
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}
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```
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### Utilisation
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Voici un éventuel programme pour tester votre fonction :
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```go
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package main
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import (
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"fmt"
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piscine ".."
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)
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func PrintList(l *piscine.NodeI) {
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it := l
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for it != nil {
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fmt.Print(it.Data, " -> ")
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it = it.Next
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}
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fmt.Print(nil, "\n")
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}
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func listPushBack(l *piscine.NodeI, data int) *piscine.NodeI {
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n := &piscine.NodeI{Data: data}
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if l == nil {
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return n
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}
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iterator := l
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for iterator.Next != nil {
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iterator = iterator.Next
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}
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iterator.Next = n
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return l
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}
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func main() {
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var link *piscine.NodeI
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var link2 *piscine.NodeI
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link = listPushBack(link, 3)
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link = listPushBack(link, 5)
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link = listPushBack(link, 7)
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link2 = listPushBack(link2, -2)
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link2 = listPushBack(link2, 9)
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PrintList(piscine.SortedListMerge(link2, link))
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}
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```
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Et son résultat :
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```console
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student@ubuntu:~/[[ROOT]]/test$ go build
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student@ubuntu:~/[[ROOT]]/test$ ./test
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-2 -> 3 -> 5 -> 7 -> 9 -> <nil>
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student@ubuntu:~/[[ROOT]]/test$
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```
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