Question about async about swifthttp HOT 3 CLOSED

func foo(username: String, password: String, finished:((Bool) -> Void)) -> Void {
        var url = "http://example"
        var request = HTTPTask()
        var parameters = ["username": username, "password": password]
        request.requestSerializer = JSONRequestSerializer()
        request.POST(url, parameters: parameters,
        success: {
            (response: HTTPResponse) in
            if response.responseObject != nil {
                finished(true)
            },
        }, failure: {(error: NSError) in
                println(" error \(error)")
                finished(false)
        })
}

foo("test", password: "test", finished: {(result: Bool) -> Void in
   println("result is: \(result)")
  //do more stuff now that I know the result
})

var result: Bool = false
foo(username.text, password: password.text, finished: {(result:Bool) -> Void in
        println("result is: \(result)")
})