diff options
Diffstat (limited to 'tests/run/virtpatmat_unapply.scala')
-rw-r--r-- | tests/run/virtpatmat_unapply.scala | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/run/virtpatmat_unapply.scala b/tests/run/virtpatmat_unapply.scala new file mode 100644 index 000000000..9915b8d92 --- /dev/null +++ b/tests/run/virtpatmat_unapply.scala @@ -0,0 +1,32 @@ +class IntList(val hd: Int, val tl: IntList) +object NilIL extends IntList(0, null) +object IntList { + def unapply(il: IntList): Option[(Int, IntList)] = if(il eq NilIL) None else Some(il.hd, il.tl) + def apply(x: Int, xs: IntList) = new IntList(x, xs) +} + +object Test extends dotty.runtime.LegacyApp { + IntList(1, IntList(2, NilIL)) match { + case IntList(a1, IntList(a2, IntList(a3, y))) => println(a1 + a2 + a3) + case IntList(x, y) => println(x) + } + + IntList(1, IntList(2, IntList(3, NilIL))) match { + case IntList(a1, IntList(a2, IntList(a3, y))) => println(a1 + a2 + a3) + case IntList(x, y) => println(x) + } +} + +// ((x1: IntList) => IntList.unapply(x1).flatMap(((x4: (Int, IntList)) => IntList.unapply(x4._2).flatMap(((x5: (Int, IntList)) => IntList.unapply(x5._2).flatMap(((x6: (Int, IntList)) => implicitly[Predef.MatchingStrategy[Option]].success(Predef.println(x4._1.+(x5._1).+(x6._1))))))))).orElse(IntList.unapply(x1).flatMap(((x7: (Int, IntList)) => implicitly[scala.Predef.MatchingStrategy[Option]].success(Predef.println(x7._1))))).orElse(implicitly[scala.Predef.MatchingStrategy[Option]].fail))(IntList.apply(1, IntList.apply(2, IntList.apply(3, null)))) + +/* + ((x1: IntList) => + IntList.this.unapply(x1).flatMap[Int](((x4: (Int, IntList)) => + IntList.this.unapply(x4._2).flatMap[Int](((x5: (Int, IntList)) => + IntList.this.unapply(x5._2).flatMap[Int](((x6: (Int, IntList)) => + Predef.this.implicitly[scala.Predef.MatchingStrategy[Option]](scala.this.Predef.OptionMatching).success[Int](x6._1))))))).orElse[Int]( + IntList.this.unapply(x1).flatMap[Int](((x7: (Int, IntList)) => + Predef.this.implicitly[scala.Predef.MatchingStrategy[Option]](scala.this.Predef.OptionMatching).success[Int](x7._1)))).orElse[Int]( + Predef.this.implicitly[scala.Predef.MatchingStrategy[Option]](scala.this.Predef.OptionMatching).fail) + ).apply(IntList.apply(1, null)) +*/ |