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- object Main {
- def main(args: Array[String]) {
- args match {
- case Array("a", a @ _*) => { } // この行外す or @ _*削る or 下の行と順番を入れ替えるとコンパイル通る
- case Array("b") => { } // この行外すとコンパイル通る
- case Array("c", c) => {
- 0 // この行外すとコンパイル通る
- }
- }
- }
- }
- // $ uname -a
- // Linux lucid 2.6.32-24-server #41-Ubuntu SMP Thu Aug 19 02:47:08 UTC 2010 x86_64 GNU/Linux
- //
- // $ javac -version
- // javac 1.6.0_22
- //
- // $ scalac -version
- // Scala compiler version 2.8.1.RC4 -- Copyright 2002-2010, LAMP/EPFL
- //
- // $ scalac Main.scala
- //
- // Exception in thread "main" scala.tools.nsc.symtab.Types$TypeError: not enough arguments for method body%2: (val c: java.lang.String)Unit.
- // Unspecified value parameter c.
- // at scala.tools.nsc.typechecker.Contexts$Context.error(Contexts.scala:274)
- // at scala.tools.nsc.typechecker.Infer$Inferencer.error(Infer.scala:205)
- // at scala.tools.nsc.typechecker.Infer$Inferencer.errorTree(Infer.scala:209)
- // at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$tryNamesDefaults$1$4.apply(Typers.scala:2410)
- // at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$tryNamesDefaults$1$4.apply(Typers.scala:2402)
- // at scala.Option.getOrElse(Option.scala:104)
- // at scala.tools.nsc.typechecker.Typers$Typer.tryNamesDefaults$1(Typers.scala:2402)
- // at scala.tools.nsc.typechecker.Typers$Typer.doTypedApply(Typers.scala:2421)
- // at scala.tools.nsc.typechecker.Typers$Typer.typedApply$1(Typers.scala:3380)
- // at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:4049)
- // at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:4203)
- // at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:4252)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$RuleApplication.mkFail(ParallelMatching.scala:251)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$MixTypes.failure(ParallelMatching.scala:648)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$RuleApplication.codegen(ParallelMatching.scala:247)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$MixTypes.tree(ParallelMatching.scala:650)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$Rep.applyRule(ParallelMatching.scala:838)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$RuleApplication.mkFail(ParallelMatching.scala:251)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$MixTypes.failure(ParallelMatching.scala:648)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$RuleApplication.codegen(ParallelMatching.scala:247)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$MixTypes.tree(ParallelMatching.scala:650)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$Rep.applyRule(ParallelMatching.scala:838)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$MixSequence.success(ParallelMatching.scala:529)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$RuleApplication.codegen(ParallelMatching.scala:247)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$MixSequence.tree(ParallelMatching.scala:532)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$Rep.applyRule(ParallelMatching.scala:838)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$MixUnapply.success(ParallelMatching.scala:432)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$RuleApplication.codegen(ParallelMatching.scala:247)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$MixUnapply.tree(ParallelMatching.scala:438)
- // at scala.tools.nsc.matching.ParallelMatching$MatchMatrix$Rep.applyRule(ParallelMatching.scala:838)
- // at scala.tools.nsc.matching.TransMatcher$class.handlePattern(TransMatcher.scala:80)
- // at scala.tools.nsc.transform.ExplicitOuter.handlePattern(ExplicitOuter.scala:19)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.matchTranslation(ExplicitOuter.scala:399)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transform(ExplicitOuter.scala:488)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transform$5.apply(Trees.scala:761)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transform$5.apply(Trees.scala:759)
- // at scala.tools.nsc.ast.Trees$Transformer.atOwner(Trees.scala:877)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:38)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:31)
- // at scala.tools.nsc.ast.Trees$Transformer.transform(Trees.scala:758)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:53)
- // at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:239)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transform(ExplicitOuter.scala:457)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:869)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:867)
- // at scala.collection.immutable.List.loop$1(List.scala:115)
- // at scala.collection.immutable.List.mapConserve(List.scala:132)
- // at scala.tools.nsc.ast.Trees$Transformer.transformStats(Trees.scala:867)
- // at scala.tools.nsc.ast.Trees$Transformer.transform(Trees.scala:775)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.scala$tools$nsc$transform$TypingTransformers$TypingTransformer$$super$transform(TypingTransformers.scala:49)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:49)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$1.apply(TypingTransformers.scala:49)
- // at scala.tools.nsc.ast.Trees$Transformer.atOwner(Trees.scala:877)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:38)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:31)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:49)
- // at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:239)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transform(ExplicitOuter.scala:437)
- // at scala.tools.nsc.ast.Trees$Transformer.transformTemplate(Trees.scala:853)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transform$2.apply(Trees.scala:745)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transform$2.apply(Trees.scala:744)
- // at scala.tools.nsc.ast.Trees$Transformer.atOwner(Trees.scala:877)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:38)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:31)
- // at scala.tools.nsc.ast.Trees$Transformer.transform(Trees.scala:743)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:53)
- // at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:239)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transform(ExplicitOuter.scala:498)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:869)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transformStats$1.apply(Trees.scala:867)
- // at scala.collection.immutable.List.loop$1(List.scala:115)
- // at scala.collection.immutable.List.mapConserve(List.scala:132)
- // at scala.tools.nsc.ast.Trees$Transformer.transformStats(Trees.scala:867)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transform$1.apply(Trees.scala:739)
- // at scala.tools.nsc.ast.Trees$Transformer$$anonfun$transform$1.apply(Trees.scala:739)
- // at scala.tools.nsc.ast.Trees$Transformer.atOwner(Trees.scala:877)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:38)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:31)
- // at scala.tools.nsc.ast.Trees$Transformer.transform(Trees.scala:738)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.scala$tools$nsc$transform$TypingTransformers$TypingTransformer$$super$transform(TypingTransformers.scala:49)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$2.apply(TypingTransformers.scala:51)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer$$anonfun$transform$2.apply(TypingTransformers.scala:51)
- // at scala.tools.nsc.ast.Trees$Transformer.atOwner(Trees.scala:877)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:38)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.atOwner(TypingTransformers.scala:31)
- // at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:51)
- // at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:239)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transform(ExplicitOuter.scala:498)
- // at scala.tools.nsc.ast.Trees$Transformer.transformUnit(Trees.scala:870)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.scala$tools$nsc$transform$ExplicitOuter$ExplicitOuterTransformer$$super$transformUnit(ExplicitOuter.scala:507)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer$$anonfun$transformUnit$1.apply(ExplicitOuter.scala:507)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer$$anonfun$transformUnit$1.apply(ExplicitOuter.scala:507)
- // at scala.tools.nsc.symtab.SymbolTable.atPhase(SymbolTable.scala:103)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transformUnit(ExplicitOuter.scala:507)
- // at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transformUnit(ExplicitOuter.scala:302)
- // at scala.tools.nsc.transform.Transform$Phase.apply(Transform.scala:30)
- // at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply(Global.scala:282)
- // at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply(Global.scala:282)
- // at scala.tools.nsc.reporters.Reporter.withSource(Reporter.scala:48)
- // at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:282)
- // at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:256)
- // at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:256)
- // at scala.collection.Iterator$class.foreach(Iterator.scala:631)
- // at scala.collection.mutable.ListBuffer$$anon$1.foreach(ListBuffer.scala:304)
- // at scala.tools.nsc.Global$GlobalPhase.run(Global.scala:256)
- // at scala.tools.nsc.Global$Run.compileSources(Global.scala:741)
- // at scala.tools.nsc.Global$Run.compile(Global.scala:822)
- // at scala.tools.nsc.Main$.process(Main.scala:106)
- // at scala.tools.nsc.Main$.main(Main.scala:120)
- // at scala.tools.nsc.Main.main(Main.scala)
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