Fibonacci Go

fib.go

package main

import (
  "http"
  "fmt"
  "log"
)

func fibonacci(n int) int {
  result := 0

  if (n < 2) {
    result = 1
  } else {
    result = fibonacci(n - 2) + fibonacci(n - 1)
  }
  
  return result
}

func handler(w http.ResponseWriter, req *http.Request) {
  w.Write([]byte(fmt.Sprintf("%d", fibonacci(40))))
}
  
func main() {
  http.HandleFunc("/", handler)
  err := http.ListenAndServe(":12345", nil)
  if err != nil {
    log.Fatal("ListenAndServe: ", err.String())
  }
}

$ time curl http://localhost:12345
165580141
real 0m1.963s
user 0m0.003s
sys 0m0.004s

I'm getting 8s for nodejs

$ time curl http://localhost:1337/
165580141
real 0m7.952s
user 0m0.003s
sys 0m0.004s