t5106.scala:3: error: type mismatch;
 found   : Int(4)
 required: String
    val (n, l): (String, Int) = (4, "")
                                 ^
t5106.scala:3: error: type mismatch;
 found   : String("")
 required: Int
    val (n, l): (String, Int) = (4, "")
                                    ^
two errors found