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Fix printing binded alternatives #4704

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Merged
merged 1 commit into from
Jun 22, 2018
Merged

Fix printing binded alternatives #4704

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2 changes: 2 additions & 0 deletions library/src/scala/tasty/util/ShowSourceCode.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -677,7 +677,9 @@ class ShowSourceCode[T <: Tasty with Singleton](tasty0: T) extends Show[T](tasty
this += ")"

case Pattern.Alternative(trees) =>
this += "("
printPatterns(trees, " | ")
this += ")"
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Introduce a verb inParens { ... }?


case Pattern.TypeTest(tpt) =>
this += "_: "
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17 changes: 17 additions & 0 deletions tests/run/virtpatmat_alts.decompiled
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@@ -0,0 +1,17 @@
/** Decompiled from out/runTestFromTasty/run/virtpatmat_alts/Test.class */
object Test extends dotty.runtime.LegacyApp() {
scala.Tuple2.apply[scala.Boolean, scala.Boolean](true, true) match {
case (scala.Tuple2(true, true) | scala.Tuple2(false, false)) =>
1
}
scala.List.apply[scala.Int](5) match {
case (scala.::(1, scala.Nil) | scala.::(2, scala.Nil)) =>
scala.Predef.println("FAILED")
case scala.::(x @ (4 | 5 | 6), scala.Nil) =>
scala.Predef.println("OK ".+(x))
case scala.::(7, scala.Nil) =>
scala.Predef.println("FAILED")
case scala.Nil =>
scala.Predef.println("FAILED")
}
}