csoma · January 1, 2016 07:59 · csoma · Dec 24, 2013 · jpfuentes2 · Dec 24, 2013
diff --git a/scala_maps_and_lists.scala b/scala_maps_and_lists.scala
 object Main extends App {

 	val some_items = List(1, 2, 3, 4)
 	for (item <- some_items)
 		println(item)
 	
 	val some_mapping = Map("ST"->"started", "IP"->"in progress", "DN"->"done")
 	for ((key, value) <- some_mapping)
 		println(key + "=>" + value) 
 }

 // See it here: http://ideone.com/V9PEEp

 // Idiomatic Scala will not use "for" in this case.
 // Alternatives:
 //   some_items.map( println _ )
 //   some_mapping.map( println _ )
 // Other:
 //   some_mapping.foreach { case(key, value) => println(key + "=>" + value) }
 //   some_mapping.foreach {item => println(item._1 + "=>" + item._2)}
 //   some_mapping.keys.foreach( key => println( key + "=>" + some_mapping(key) ))
	object Main extends App {

	val some_items = List(1, 2, 3, 4)
	for (item <- some_items)
	println(item)

	val some_mapping = Map("ST"->"started", "IP"->"in progress", "DN"->"done")
	for ((key, value) <- some_mapping)
	println(key + "=>" + value)
	}

	// See it here: http://ideone.com/V9PEEp

	// Idiomatic Scala will not use "for" in this case.
	// Alternatives:
	// some_items.map( println _ )
	// some_mapping.map( println _ )
	// Other:
	// some_mapping.foreach { case(key, value) => println(key + "=>" + value) }
	// some_mapping.foreach {item => println(item._1 + "=>" + item._2)}
	// some_mapping.keys.foreach( key => println( key + "=>" + some_mapping(key) ))