swift3：デバッグ出力してみる

gistSwift3Print.swift

override func viewDidLoad() {
    super.viewDidLoad()

    let debugMsg1 = "ただ出力してみる"
    let debugMsg2 = "file名 ="
    let debugMsg3 = "行番号 ="
    let debugMsg4 = "メソッド名 ="

    print(debugMsg1)
    print(debugMsg2, #file)
    print("\(debugMsg3)", #line)
    print("\(debugMsg4) \(#function)")
    print(#column, "列目？")
}