World's Most Advanced Type System

gistfile1.scala

scala> val listOfTuples = List(("one", Map("foo" -> 1, "bar" -> 2)),
     |                         ("two", Map("baz" -> 3, "qux" -> 4)),
     |                         ("three", Map()))
listOfTuples: List[(String, scala.collection.immutable.Map[_ <: String, Int])] = List((one,Map(foo -> 1, bar -> 2)), (two,Map(baz -> 3, qux -> 4)), (three,Map()))

scala> val thirdTuple = listOfTuples(2)
thirdTuple: (String, scala.collection.immutable.Map[_ <: String, Int]) = (three,Map())

scala> val thirdTupleMap = thirdTuple._2
thirdTupleMap: scala.collection.immutable.Map[_ <: String, Int] = Map()

scala> thirdTupleMap.get("foo")
<console>:11: error: type mismatch;
 found   : String("foo")
 required: _1
              thirdTupleMap.get("foo")