for i in 1...30 { let x = fibonacci(n: fibnum) print(i, x) } let swiftelapsed = Date().timeIntervalSince(swiftstart) print("golang") let gostart = Date() for i in 1...30 { let x = HelloFibonacci(fibnum) print(i, x) } let goelapsed = Date().timeIntervalSince(gostart) print("swift: ", swiftelapsed) print("golang:", goelapsed) ͜Μͳײ͡Ͱܭଌͯ͠Έͨ