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shigemk2/22-232737.scala

Created May 22, 2015 14:30
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22-232737.scala
println(Some(1))
println(Some(1).map((x: Int) => x + 1))
println(Some(1).getOrElse(1))
val v = List(Some("A"), None)
for(each <- v) println(each.getOrElse("empty"))
println(Some(1).flatMap((x: Int) => Some(x + 1)))
println(None.flatMap((x: Int) => Some(x + 1)))
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