fib

fib.go

package main

import "fmt"

func fib() func() int64 {
	var i int64
	var j int64 = 1
	return func() int64 {
		i, j = j, i+j
		return i
	}
}

func main() {
	a := fib()
	pre := (float64)(a())

	for k := 1; k < 50; k++ {
		cur := (float64)(a())
		fmt.Println(pre / cur)
		pre = cur
	}
}