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6 years ago
## strlen
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### Instructions
- Write a function that counts the `runes` of a `string` and that returns that count.
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### Expected function
```go
func StrLen(s string) int {
}
```
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### Usage
Here is a possible program to test your function :
```go
package main
import (
"fmt"
piscine ".."
)
func main() {
l := piscine.StrLen("Hello World!")
fmt.Println(l)
}
```
And its output :
```console
student@ubuntu:~/[[ROOT]]/test$ go build
student@ubuntu:~/[[ROOT]]/test$ ./test
12
student@ubuntu:~/[[ROOT]]/test$
```