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6 years ago
## join
6 years ago
### Instructions
Write a function that returns the concatenation of all the `string` of a slice of `string` **separated** by the separator passed in argument.
6 years ago
### Expected function
```go
func Join(strs []string, sep string) string {
}
```
6 years ago
### Usage
Here is a possible program to test your function :
```go
package main
import (
"fmt"
"piscine"
)
func main() {
toConcat := []string{"Hello!", " How", " are", " you?"}
fmt.Println(piscine.Join(toConcat, ":"))
}
```
And its output :
```console
$ go run .
Hello!: How: are: you?
$
```