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object Test extends App {
val a = Map("a" -> Some(1), "b" -> None)
println(a)
val res = a collect {case (p, Some(a)) => (p, a)}
final val GT = 79
final val GTGT = 93
final val GTGTGT = 94
final val GTEQ = 81
final val GTGTEQ = 113
final val GTGTGTEQ = 114
final val ASSIGN = 75
def acceptClosingAngle(in: Int) {
val closers: PartialFunction[Int, Int] = {
case GTGTGTEQ => GTGTEQ
case GTGTGT => GTGT
case GTGTEQ => GTEQ
case GTGT => GT
case GTEQ => ASSIGN
}
if (closers isDefinedAt in) println(closers(in))
else println("undefined")
}
acceptClosingAngle(GTGT)
acceptClosingAngle(ASSIGN)
// should uncurry to:
// val res: Map[String,Int] = a.collect[(String, Int), Map[String,Int]](
// new PartialFunction[(String, Option[Int]),(String, Int)] {
// def apply(x0_1: (String, Option[Int])): (String, Int) = MatchingStrategy.OptionMatchingStrategy.runOrElse[(String, Option[Int]), (String, Int)](x0_1)(
// (x1: (String, Option[Int])) => {
// val o9: Option[(String, Int)] = ({
// val o8: Option[(String, Option[Int])] = Tuple2.unapply[String, Option[Int]](x1);
// if (o8.isEmpty)
// MatchingStrategy.OptionMatchingStrategy.zero
// else
// {
// val o7: Option[Some[Int]] = if (o8.get._2.isInstanceOf[Some[Int]])
// MatchingStrategy.OptionMatchingStrategy.one[Some[Int]](o8.get._2.asInstanceOf[Some[Int]])
// else
// MatchingStrategy.OptionMatchingStrategy.zero;
// if (o7.isEmpty)
// MatchingStrategy.OptionMatchingStrategy.zero
// else
// {
// val o6: Option[Int] = Some.unapply[Int](o7.get);
// if (o6.isEmpty)
// MatchingStrategy.OptionMatchingStrategy.zero
// else
// MatchingStrategy.OptionMatchingStrategy.one[(String, Int)]((o8.get._1, o6.get).asInstanceOf[(String, Int)])
// }
// }
// }: Option[(String, Int)]);
// if (o9.isEmpty)
// (MatchingStrategy.OptionMatchingStrategy.zero: Option[(String, Int)])
// else
// o9
// })
//
// def isDefinedAt(x_1: (String, Option[Int])): Boolean = MatchingStrategy.OptionMatchingStrategy.isSuccess[(String, Option[Int]), (String, Int)](x_1)(
// (x1: (String, Option[Int])) => {
// val o9: Option[(String, Int)] = ({
// val o8: Option[(String, Option[Int])] = scala.Tuple2.unapply[String, Option[Int]](x1);
// if (o8.isEmpty)
// MatchingStrategy.OptionMatchingStrategy.zero
// else
// {
// val o7: Option[Some[Int]] = if (o8.get._2.isInstanceOf[Some[Int]])
// MatchingStrategy.OptionMatchingStrategy.one[Some[Int]](o8.get._2.asInstanceOf[Some[Int]]) // XXX
// else
// MatchingStrategy.OptionMatchingStrategy.zero;
// if (o7.isEmpty)
// MatchingStrategy.OptionMatchingStrategy.zero
// else
// {
// val o6: Option[Int] = scala.Some.unapply[Int](o7.get);
// if (o6.isEmpty)
// MatchingStrategy.OptionMatchingStrategy.zero
// else
// MatchingStrategy.OptionMatchingStrategy.one[(String, Int)](null.asInstanceOf[(String, Int)])
// }
// }
// }: Option[(String, Int)]);
// if (o9.isEmpty)
// (MatchingStrategy.OptionMatchingStrategy.zero: Option[(String, Int)])
// else
// o9
// })
// }
// )
println(res)
}
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