Question #147

Author: admin
tags: Go  
package main

import "fmt"

func main() {
	arr := [9]int{1, 2, 3, 4, 5, 6, 7, 8, 9}

	slice := arr[2:4]

	fmt.Println(cap(slice)) // ??
}
What will be printed?
2
3
4
6
7
9
Rate the difficulty of the question:
easyhard