package main

import "fmt"

func Recursive(n int) int {
if n == 0 {
return 1
}
//相当于10987654321
return n Recursive(n-1)
}
func main() {
fmt.Println(Recursive(10))
}

执行结果：
sf@SFdeMacBook-Pro  ~/Documents/project/src/test  go build Recursive.go
sf@SFdeMacBook-Pro  ~/Documents/project/src/test  ./Recursive
3628800