留给注释了：
package main
import "fmt"
func fibona() func() int{
i, j := 1, 1
return func() int{
i, j = j , j+i
return i
}
}
func main() {
fibonaa := fibona()
fmt.Println("sssssssss = ", fibona())
for i:= 1; i <10; i++ {
fmt.Println("i = ", i, "num = ", fibonaa())
}
}
原文：https://www.cnblogs.com/xingyunshizhe/p/11375690.html