Fibonnaci closure

gistfile1.go

package main

import "fmt"

// fibonacci is a function that returns
// a function that returns an int.
func fibonacci() func() int {
	n := []int{0,1}	
	return func() int {
		value := n[0]
		temp := n[0]+n[1]
		n[0] = n[1]
		n[1] = temp
		return value
	}
}

func main() {
	f := fibonacci()
	for i := 0; i < 10; i++ {
		fmt.Println(f())
	}
}