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scala> import scala.language.dynamics
import scala.language.dynamics
scala>
scala> object MyExtractor extends Dynamic {
|
| case object applyDynamic {
| def unapplySeq(a: Any): Option[Seq[Any]] = {
| Some(Nil)
| }
| }
|
| }
defined object MyExtractor
scala>
scala> val MyExtractor.DynamicExtractor() = 1
java.lang.NullPointerException
at scala.tools.nsc.typechecker.PatternTypers$PatternTyper$class.inPlaceAdHocOverloadingResolution(PatternTypers.scala:68)
at scala.tools.nsc.typechecker.PatternTypers$PatternTyper$class.typedConstructorPattern(PatternTypers.scala:81)
at scala.tools.nsc.typechecker.Typers$Typer.typedConstructorPattern(Typers.scala:111)
at scala.tools.nsc.typechecker.Typers$Typer.vanillaAdapt$1(Typers.scala:1113)
at scala.tools.nsc.typechecker.Typers$Typer.adapt(Typers.scala:1166)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5409)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5422)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5369)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5373)
at scala.tools.nsc.interpreter.ReplGlobal$$anon$1$$anon$2.typed(ReplGlobal.scala:36)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$99.apply(Typers.scala:4524)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$99.apply(Typers.scala:4524)
at scala.tools.nsc.typechecker.Typers$Typer.silent(Typers.scala:680)
at scala.tools.nsc.typechecker.Typers$Typer.normalTypedApply$1(Typers.scala:4523)
at scala.tools.nsc.typechecker.Typers$Typer.typedApply$1(Typers.scala:4579)
at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5342)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5359)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5395)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5422)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5369)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5373)
at scala.tools.nsc.interpreter.ReplGlobal$$anon$1$$anon$2.typed(ReplGlobal.scala:36)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$121$$anonfun$apply$55.apply(Typers.scala:5508)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$121.apply(Typers.scala:5508)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$121.apply(Typers.scala:5508)
at scala.tools.nsc.typechecker.TypeDiagnostics$class.typingInPattern(TypeDiagnostics.scala:62)
at scala.tools.nsc.interpreter.ReplGlobal$$anon$1.typingInPattern(ReplGlobal.scala:23)
at scala.tools.nsc.typechecker.Typers$Typer.typedPattern(Typers.scala:5508)
at scala.tools.nsc.typechecker.Typers$Typer.typedCase(Typers.scala:2400)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedCases$1.apply(Typers.scala:2440)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedCases$1.apply(Typers.scala:2439)
at scala.collection.immutable.List.loop$1(List.scala:173)
at scala.collection.immutable.List.mapConserve(List.scala:189)
at scala.tools.nsc.typechecker.Typers$Typer.typedCases(Typers.scala:2439)
at scala.tools.nsc.typechecker.Typers$Typer.typedMatch(Typers.scala:2451)
at scala.tools.nsc.typechecker.Typers$Typer.typedVirtualizedMatch$1(Typers.scala:4310)
at scala.tools.nsc.typechecker.Typers$Typer.typedOutsidePatternMode$1(Typers.scala:5321)
at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5352)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5359)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5395)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5422)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5369)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5373)
at scala.tools.nsc.interpreter.ReplGlobal$$anon$1$$anon$2.typed(ReplGlobal.scala:36)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5462)
at scala.tools.nsc.typechecker.Typers$Typer.computeType(Typers.scala:5553)
at scala.tools.nsc.typechecker.Namers$Namer.assignTypeToTree(Namers.scala:880)
at scala.tools.nsc.typechecker.Namers$Namer.valDefSig(Namers.scala:1382)
at scala.tools.nsc.typechecker.Namers$Namer.getSig$1(Namers.scala:1533)
at scala.tools.nsc.typechecker.Namers$Namer.typeSig(Namers.scala:1542)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1$$anonfun$apply$1.apply$mcV$sp(Namers.scala:782)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1$$anonfun$apply$1.apply(Namers.scala:781)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1$$anonfun$apply$1.apply(Namers.scala:781)
at scala.tools.nsc.typechecker.Namers$Namer.scala$tools$nsc$typechecker$Namers$Namer$$logAndValidate(Namers.scala:1569)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1.apply(Namers.scala:781)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1.apply(Namers.scala:773)
at scala.tools.nsc.typechecker.Namers$$anon$1.completeImpl(Namers.scala:1685)
at scala.tools.nsc.typechecker.Namers$LockingTypeCompleter$class.complete(Namers.scala:1693)
at scala.tools.nsc.typechecker.Namers$$anon$1.complete(Namers.scala:1683)
at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1489)
at scala.reflect.internal.Symbols$Symbol.initialize(Symbols.scala:1634)
at scala.tools.nsc.typechecker.MethodSynthesis$MethodSynth$class.warnForDroppedAnnotations(MethodSynthesis.scala:167)
at scala.tools.nsc.typechecker.MethodSynthesis$MethodSynth$class.addDerivedTrees(MethodSynthesis.scala:201)
at scala.tools.nsc.typechecker.Namers$Namer.addDerivedTrees(Namers.scala:54)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$25.apply(Typers.scala:1908)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$25.apply(Typers.scala:1908)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$rewrappingWrapperTrees$1.apply(Typers.scala:1845)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$rewrappingWrapperTrees$1.apply(Typers.scala:1842)
at scala.collection.immutable.List.flatMap(List.scala:327)
at scala.tools.nsc.typechecker.Typers$Typer.typedTemplate(Typers.scala:1908)
at scala.tools.nsc.typechecker.Typers$Typer.typedModuleDef(Typers.scala:1808)
at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5309)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5358)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5395)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5422)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5369)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5373)
at scala.tools.nsc.interpreter.ReplGlobal$$anon$1$$anon$2.typed(ReplGlobal.scala:36)
at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5451)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3047)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.collection.immutable.List.loop$1(List.scala:173)
at scala.collection.immutable.List.mapConserve(List.scala:189)
at scala.tools.nsc.typechecker.Typers$Typer.typedStats(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer.typedTemplate(Typers.scala:1921)
at scala.tools.nsc.typechecker.Typers$Typer.typedModuleDef(Typers.scala:1808)
at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5309)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5358)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5395)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5422)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5369)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5373)
at scala.tools.nsc.interpreter.ReplGlobal$$anon$1$$anon$2.typed(ReplGlobal.scala:36)
at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5451)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3047)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.collection.immutable.List.loop$1(List.scala:173)
at scala.collection.immutable.List.mapConserve(List.scala:189)
at scala.tools.nsc.typechecker.Typers$Typer.typedStats(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer.typedTemplate(Typers.scala:1921)
at scala.tools.nsc.typechecker.Typers$Typer.typedModuleDef(Typers.scala:1808)
at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5309)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5358)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5395)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5422)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5369)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5373)
at scala.tools.nsc.interpreter.ReplGlobal$$anon$1$$anon$2.typed(ReplGlobal.scala:36)
at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5451)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3047)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.collection.immutable.List.loop$1(List.scala:173)
at scala.collection.immutable.List.mapConserve(List.scala:189)
at scala.tools.nsc.typechecker.Typers$Typer.typedStats(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer.typedPackageDef$1(Typers.scala:5014)
at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5311)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5358)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5395)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5422)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5369)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5373)
at scala.tools.nsc.interpreter.ReplGlobal$$anon$1$$anon$2.typed(ReplGlobal.scala:36)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5447)
at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.apply(Analyzer.scala:102)
at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply$mcV$sp(Global.scala:440)
at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.scala:431)
at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:440)
at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3$$anonfun$run$1.apply(Analyzer.scala:94)
at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3$$anonfun$run$1.apply(Analyzer.scala:93)
at scala.collection.Iterator$class.foreach(Iterator.scala:742)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1194)
at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.run(Analyzer.scala:93)
at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1501)
at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1486)
at scala.tools.nsc.Global$Run.compileSources(Global.scala:1481)
at scala.tools.nsc.interpreter.IMain.compileSourcesKeepingRun(IMain.scala:434)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compileAndSaveRun(IMain.scala:853)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compile(IMain.scala:811)
at scala.tools.nsc.interpreter.IMain$Request.compile$lzycompute(IMain.scala:995)
at scala.tools.nsc.interpreter.IMain$Request.compile(IMain.scala:990)
at scala.tools.nsc.interpreter.IMain.compile(IMain.scala:577)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:565)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:563)
at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:802)
at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:836)
at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:694)
at scala.tools.nsc.interpreter.ILoop.processLine(ILoop.scala:404)
at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:424)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:925)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:911)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:911)
at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97)
at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:911)
at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:74)
at scala.tools.nsc.MainGenericRunner.run$1(MainGenericRunner.scala:87)
at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:98)
at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:103)
at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)
That entry seems to have slain the compiler. Shall I replay
your session? I can re-run each line except the last one.
[y/n]