go语言实现斐波那契数列

package main

import "fmt"

// 用go实现斐波那契数列
func fib(num int) int {
   var result int
   if num < 2 {
      result = num
   } else {
      result = fib(num-1) + fib(num-2)
   }
   return result
}
func main() {
   nu := 7
   arr := []int{}
   for i := 0; i <= nu; i++ {
      arr = append(arr, fib(i))
   }
   for _,j:=range arr{
      fmt.Print(j)
      fmt.Print("  ")
   }
}