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Star in patterns #167

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#168
Closed
Star in patterns#167
#168
@DarkDimius

Description

@DarkDimius
DarkDimius
opened on Aug 19, 2014
A.scala:4: error: not found: type _*
  val List(1, 2, rest: _*) = List(1, 2, 3, 4, 5) // was
                       ^
exception occured while typechecking A.scala
Exception in thread "main" java.lang.ClassCastException: _$times is not a term name
    at dotty.tools.dotc.core.Names$TypeName.asTermName(Names.scala:184)
    at dotty.tools.dotc.core.Names$TypeName.asTermName(Names.scala:178)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedBind$1.apply(Typer.scala:738)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedBind$1.apply(Typer.scala:735)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedBind(Typer.scala:735)
    at dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:905)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:958)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedIdent$1.apply(Typer.scala:252)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedIdent$1.apply(Typer.scala:77)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedIdent(Typer.scala:77)
    at dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:902)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:958)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer.typedType(Typer.scala:1007)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedTyped$1.regularTyped$1(Typer.scala:328)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedTyped$1.apply(Typer.scala:336)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedTyped$1.apply(Typer.scala:326)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedTyped(Typer.scala:326)
    at dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:926)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:960)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedBind$1.apply(Typer.scala:736)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedBind$1.apply(Typer.scala:735)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedBind(Typer.scala:735)
    at dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:905)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:958)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedTyped$1.apply(Typer.scala:339)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedTyped$1.apply(Typer.scala:326)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedTyped(Typer.scala:326)
    at dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:926)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:960)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Applications$$anonfun$typedUnApply$1$$anonfun$15.apply(Applications.scala:696)
    at dotty.tools.dotc.typer.Applications$$anonfun$typedUnApply$1$$anonfun$15.apply(Applications.scala:696)
    at scala.runtime.Tuple2Zipped$$anonfun$map$extension$1.apply(Tuple2Zipped.scala:42)
    at scala.runtime.Tuple2Zipped$$anonfun$map$extension$1.apply(Tuple2Zipped.scala:40)
    at scala.collection.immutable.List.foreach(List.scala:383)
    at scala.runtime.Tuple2Zipped$.map$extension(Tuple2Zipped.scala:40)
    at dotty.tools.dotc.typer.Applications$$anonfun$typedUnApply$1.apply(Applications.scala:696)
    at dotty.tools.dotc.typer.Applications$$anonfun$typedUnApply$1.apply(Applications.scala:529)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Applications$class.typedUnApply(Applications.scala:529)
    at dotty.tools.dotc.typer.Typer.typedUnApply(Typer.scala:56)
    at dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:921)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:960)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer.typedPattern(Typer.scala:1009)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1$$anonfun$dotty$tools$dotc$typer$Typer$$anonfun$$typedCase$1$1$$anonfun$12.apply(Typer.scala:596)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1$$anonfun$dotty$tools$dotc$typer$Typer$$anonfun$$typedCase$1$1$$anonfun$12.apply(Typer.scala:596)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1$$anonfun$dotty$tools$dotc$typer$Typer$$anonfun$$typedCase$1$1.apply(Typer.scala:597)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1$$anonfun$dotty$tools$dotc$typer$Typer$$anonfun$$typedCase$1$1.apply(Typer.scala:582)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1.dotty$tools$dotc$typer$Typer$$anonfun$$typedCase$1(Typer.scala:582)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1$$anonfun$13.apply(Typer.scala:600)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1$$anonfun$13.apply(Typer.scala:600)
    at dotty.tools.dotc.core.Decorators$ListDecorator$.loop$1(Decorators.scala:50)
    at dotty.tools.dotc.core.Decorators$ListDecorator$.mapconserve$extension(Decorators.scala:66)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1.apply(Typer.scala:600)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedMatch$1.apply(Typer.scala:554)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedMatch(Typer.scala:553)
    at dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:933)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:960)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer.typedExpr(Typer.scala:1005)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedValDef$1.apply(Typer.scala:769)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedValDef$1.apply(Typer.scala:763)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedValDef(Typer.scala:763)
    at dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:908)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:958)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer.traverse$1(Typer.scala:989)
    at dotty.tools.dotc.typer.Typer.typedStats(Typer.scala:1001)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedClassDef$1.apply(Typer.scala:821)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedClassDef$1.apply(Typer.scala:793)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedClassDef(Typer.scala:793)
    at dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:913)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:958)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer.traverse$1(Typer.scala:989)
    at dotty.tools.dotc.typer.Typer.typedStats(Typer.scala:1001)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedPackageDef$1.apply(Typer.scala:854)
    at dotty.tools.dotc.typer.Typer$$anonfun$typedPackageDef$1.apply(Typer.scala:845)
    at dotty.tools.dotc.util.Stats$.track(Stats.scala:35)
    at dotty.tools.dotc.typer.Typer.typedPackageDef(Typer.scala:845)
    at dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:949)
    at dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:960)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:967)
    at dotty.tools.dotc.typer.Typer$$anonfun$typed$2.apply(Typer.scala:965)
    at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:145)
    at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:50)
    at dotty.tools.dotc.typer.Typer.typed(Typer.scala:965)
    at dotty.tools.dotc.typer.Typer.typedExpr(Typer.scala:1005)
    at dotty.tools.dotc.typer.FrontEnd$$anonfun$typeCheck$1.apply$mcV$sp(FrontEnd.scala:37)
    at dotty.tools.dotc.typer.FrontEnd.monitor(FrontEnd.scala:16)
    at dotty.tools.dotc.typer.FrontEnd.typeCheck(FrontEnd.scala:35)
    at dotty.tools.dotc.typer.FrontEnd$$anonfun$runOn$3.apply(FrontEnd.scala:48)
    at dotty.tools.dotc.typer.FrontEnd$$anonfun$runOn$3.apply(FrontEnd.scala:48)
    at scala.collection.immutable.List.foreach(List.scala:383)
    at dotty.tools.dotc.typer.FrontEnd.runOn(FrontEnd.scala:48)
    at dotty.tools.dotc.Run$$anonfun$compileSources$1$$anonfun$apply$mcV$sp$3.apply(Run.scala:42)
    at dotty.tools.dotc.Run$$anonfun$compileSources$1$$anonfun$apply$mcV$sp$3.apply(Run.scala:40)
    at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
    at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
    at dotty.tools.dotc.Run$$anonfun$compileSources$1.apply$mcV$sp(Run.scala:40)
    at dotty.tools.dotc.Run$$anonfun$compileSources$1.apply(Run.scala:32)
    at dotty.tools.dotc.Run$$anonfun$compileSources$1.apply(Run.scala:32)
    at dotty.tools.dotc.util.Stats$.monitorHeartBeat(Stats.scala:68)
    at dotty.tools.dotc.Run.compileSources(Run.scala:31)
    at dotty.tools.dotc.Run.compile(Run.scala:28)
    at dotty.tools.dotc.Driver.doCompile(Driver.scala:19)
    at dotty.tools.dotc.Main$.doCompile(Main.scala:26)
    at dotty.tools.dotc.Driver.process(Driver.scala:30)
    at dotty.tools.dotc.Driver.main(Driver.scala:44)
    at dotty.tools.dotc.Main.main(Main.scala)

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