go-tour/src/go-tour/fibonacci.go

23 lines
354 B
Go

package main
import "fmt"
// fibonacci is a function that returns
// a function that returns an int.
func fibonacci() func() int {
last := []int {0, 1}
return func() int {
ret := last[0]
temp := []int {last[1], last[0] + last[1]}
last = temp
return ret
}
}
func main() {
f := fibonacci()
for i := 0; i < 10; i++ {
fmt.Println(f())
}
}