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  1. object Main extends App {
  2.   val symbolsIn = List("GOOG", "AAPL")
  3.   val rangeIn = List.range(2010, 2013, 1);
  4.  
  5.   def price(symbol: String, year: Int) : Option[Double] = Some(1.1)
  6.  
  7.   val returnList : List[List[Option[Double]]] =
  8.     rangeIn.map(r => symbolsIn.map(s => price(s, r)))
  9.  
  10.   println(returnList)
  11. }
Success #stdin #stdout 0.61s 70868KB
comments (?)
stdin 
Standard input is empty
stdout 
List(List(Some(1.1), Some(1.1)), List(Some(1.1), Some(1.1)), List(Some(1.1), Some(1.1)))
https://ideone.com/UdCbnG
language:
Scala (scala 2.12.8)
created:
4 years ago
visibility:
public

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