fib.go.t

package main

import "fmt"

func fib(i int) (r int) {
    if j := i; j == 0 {
        r = 0;
    } else if (i == 1) {
        r = 1;
    } else {
        r = fib(i-2) + fib(i-1)
    }
    return
}

func main() {
    fmt.Println(fib(5));
    fmt.Println(-fib(1))
}