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# listpushback
## Instructions
Write a function `ListMerge` that places elements of a list `l2` at the end of an other list `l1`.
- You can't create new elements!
- Use pointers when ever you can.
## Expected function and structure
```go
type NodeL struct {
Data interface{}
Next *NodeL
}
type List struct {
Head *NodeL
Tail *NodeL
}
func listMerge(l1 *List, l2 *List) {
}
```
## Usage
Here is a possible [program](TODO-LINK) to test your function :
```go
package main
import (
"fmt"
student ".."
)
func PrintList(l *List) {
m := l.Head
for m != nil {
fmt.Print(m.Data, " -> ")
m = m.Next
}
fmt.Print(nil)
fmt.Println()
}
func main() {
link := &List{}
link2 := &List{}
student.ListPushBack(link, "a")
student.ListPushBack(link, "b")
student.ListPushBack(link, "c")
student.ListPushBack(link, "d")
student.ListPushBack(link2, "e")
student.ListPushBack(link2, "f")
student.ListPushBack(link2, "g")
student.ListPushBack(link2, "h")
student.ListMerge(link, link2)
PrintList(link)
}
```
And its output :
```console
student@ubuntu:~/student/test$ go build
student@ubuntu:~/student/test$ ./test
a -> b -> c -> d -> e -> f -> g -> h -> <nil>
student@ubuntu:~/student/test$
```