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## listsize
6 years ago
### Instructions
Write a function `ListSize` that returns the number of elements in a linked list `l`.
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### Expected function and structure
```go
type NodeL struct {
Data interface{}
Next *NodeL
}
type List struct {
Head *NodeL
Tail *NodeL
}
func ListSize(l *List) int {
}
```
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### Usage
Here is a possible [program](TODO-LINK) to test your function :
```go
package main
import (
"fmt"
piscine ".."
)
func main() {
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link := &piscine.List{}
piscine.ListPushFront(link, "Hello")
piscine.ListPushFront(link, "2")
piscine.ListPushFront(link, "you")
piscine.ListPushFront(link, "man")
fmt.Println(piscine.ListSize(link))
}
```
And its output :
```console
student@ubuntu:~/[[ROOT]]/test$ go build
student@ubuntu:~/[[ROOT]]/test$ ./test
4
student@ubuntu:~/[[ROOT]]/test$
```