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| trait Applicative[F[_]]{ | |
| def point[A](a: => A): F[A] | |
| def ap[A, B](fa: => F[A])(ff: => F[A => B]): F[B] | |
| def map[A, B](fa: F[A])(f: A => B): F[B] = | |
| ap(fa)(point(f)) | |
| def apply2[A, B, C](fa: => F[A], fb: => F[B])(f: (A, B) => C): F[C] = | |
| ap(fb)(map(fa)(f.curried)) | |
| } |
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| scalaVersion := "2.11.5" |
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| [info] Loading global plugins from /Users/user/.sbt/0.13/plugins | |
| [info] Compiling 1 Scala source to /Users/user/.sbt/0.13/plugins/target/scala-2.10/sbt-0.13/classes... | |
| [info] Loading project definition from /Users/user/freeap/project | |
| [info] Set current project to freeap (in build file:/Users/user/freeap/) | |
| [info] Compiling 3 Scala sources to /Users/user/freeap/target/scala-2.11/classes... | |
| exception when typing FreeAp.freeInstance().apply2({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }, { | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| })/class scala.reflect.internal.Trees$Apply | |
| not enough arguments for method apply2: (fa: Function0, fb: Function0, f: Function2)Object. | |
| Unspecified value parameter f. in file /Users/user/freeap/Main.scala | |
| [error] | |
| [error] unrecoverable error | |
| [error] while compiling: /Users/user/freeap/Main.scala | |
| [error] during phase: globalPhase=erasure, enteringPhase=posterasure | |
| [error] library version: version 2.11.5 | |
| [error] compiler version: version 2.11.5 | |
| [error] reconstructed args: -classpath /Users/user/freeap/target/scala-2.11/classes -bootclasspath /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/classes:/Users/user/.ivy2/cache/org.scala-lang/scala-library/jars/scala-library-2.11.5.jar | |
| [error] | |
| [error] last tree to typer: TypeTree(class FreeAp) | |
| [error] tree position: line 37 of /Users/user/freeap/FreeAp.scala | |
| [error] tree tpe: FreeAp | |
| [error] symbol: (sealed abstract) class FreeAp | |
| [error] symbol definition: sealed abstract class FreeAp extends Object (a ClassSymbol) | |
| [error] symbol package: <empty> | |
| [error] symbol owners: class FreeAp | |
| [error] call site: method main in object Main in package <empty> | |
| [error] | |
| [error] == Source file context for tree position == | |
| [error] | |
| [error] 34 type I = A | |
| [error] 35 lazy val v = value | |
| [error] 36 lazy val k = function | |
| [error] 37 } | |
| [error] 38 } | |
| [error] 39 | |
| [error] 40 | |
| exception when typing { | |
| FreeAp.freeInstance().apply2({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }, { | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| () | |
| } | |
| exception when typing { | |
| val x: FreeAp = FreeAp.lift({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): Option = scala.Option.apply(1); | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| { | |
| FreeAp.freeInstance().apply2({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }, { | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| () | |
| } | |
| } | |
| exception when typing def main(args: Array[String]): Unit = { | |
| val x: FreeAp = FreeAp.lift({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): Option = scala.Option.apply(1); | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| { | |
| FreeAp.freeInstance().apply2({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }, { | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| () | |
| } | |
| } | |
| exception when typing object Main extends Object { | |
| def <init>(): Main.type = { | |
| Main.super.<init>(); | |
| () | |
| }; | |
| def main(args: Array[String]): Unit = { | |
| val x: FreeAp = FreeAp.lift({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): Option = scala.Option.apply(1); | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| { | |
| FreeAp.freeInstance().apply2({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }, { | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| () | |
| } | |
| } | |
| } | |
| exception when typing package <empty> { | |
| object Main extends Object { | |
| def <init>(): Main.type = { | |
| Main.super.<init>(); | |
| () | |
| }; | |
| def main(args: Array[String]): Unit = { | |
| val x: FreeAp = FreeAp.lift({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): Option = scala.Option.apply(1); | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| { | |
| FreeAp.freeInstance().apply2({ | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }, { | |
| @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0 with Serializable { | |
| def <init>(): <$anon: Function0> = { | |
| $anonfun.super.<init>(); | |
| () | |
| }; | |
| final def apply(): FreeAp = x; | |
| final <bridge> <artifact> def apply(): Object = $anonfun.this.apply() | |
| }; | |
| (new <$anon: Function0>(): Function0) | |
| }); | |
| () | |
| } | |
| } | |
| } | |
| } | |
| scala.reflect.internal.FatalError: | |
| unrecoverable error | |
| while compiling: /Users/user/freeap/Main.scala | |
| during phase: globalPhase=erasure, enteringPhase=posterasure | |
| library version: version 2.11.5 | |
| compiler version: version 2.11.5 | |
| reconstructed args: -classpath /Users/user/freeap/target/scala-2.11/classes -bootclasspath /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/classes:/Users/user/.ivy2/cache/org.scala-lang/scala-library/jars/scala-library-2.11.5.jar | |
| last tree to typer: TypeTree(class FreeAp) | |
| tree position: line 37 of /Users/user/freeap/FreeAp.scala | |
| tree tpe: FreeAp | |
| symbol: (sealed abstract) class FreeAp | |
| symbol definition: sealed abstract class FreeAp extends Object (a ClassSymbol) | |
| symbol package: <empty> | |
| symbol owners: class FreeAp | |
| call site: method main in object Main in package <empty> | |
| == Source file context for tree position == | |
| 34 type I = A | |
| 35 lazy val v = value | |
| 36 lazy val k = function | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 | |
| at scala.reflect.internal.Reporting$class.abort(Reporting.scala:59) | |
| at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:16) | |
| at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:703) | |
| at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5373) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5400) | |
| at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5347) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5351) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5429) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3028) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$62.apply(Typers.scala:3132) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$62.apply(Typers.scala:3132) | |
| 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:3132) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedBlock(Typers.scala:2363) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedOutsidePatternMode$1$1.apply(Typers.scala:5295) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedOutsidePatternMode$1$1.apply(Typers.scala:5295) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedOutsidePatternMode$1(Typers.scala:5294) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5330) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5337) | |
| at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:696) | |
| at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5373) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5400) | |
| at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5347) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5351) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedBlock(Typers.scala:2364) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedOutsidePatternMode$1$1.apply(Typers.scala:5295) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedOutsidePatternMode$1$1.apply(Typers.scala:5295) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedOutsidePatternMode$1(Typers.scala:5294) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5330) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5337) | |
| at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:696) | |
| at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5373) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5400) | |
| at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5347) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5351) | |
| at scala.tools.nsc.typechecker.Typers$Typer.transformedOrTyped(Typers.scala:5582) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedDefDef(Typers.scala:2190) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5285) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5336) | |
| at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:696) | |
| at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5373) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5400) | |
| at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5347) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5351) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5429) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3028) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$62.apply(Typers.scala:3132) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$62.apply(Typers.scala:3132) | |
| 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:3132) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedTemplate(Typers.scala:1903) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedClassDef(Typers.scala:1744) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5286) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5336) | |
| at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:696) | |
| at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5373) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5400) | |
| at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5347) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5351) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5429) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3028) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$62.apply(Typers.scala:3132) | |
| at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$62.apply(Typers.scala:3132) | |
| 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:3132) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedPackageDef$1(Typers.scala:4989) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5289) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5336) | |
| at scala.tools.nsc.transform.Erasure$Eraser.typed1(Erasure.scala:696) | |
| at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5373) | |
| at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5400) | |
| at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5347) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5351) | |
| at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5425) | |
| at scala.tools.nsc.transform.Erasure$ErasureTransformer$$anonfun$transform$2.apply(Erasure.scala:1166) | |
| at scala.tools.nsc.transform.Erasure$ErasureTransformer$$anonfun$transform$2.apply(Erasure.scala:1162) | |
| at scala.reflect.internal.SymbolTable.enteringPhase(SymbolTable.scala:235) | |
| at scala.reflect.internal.SymbolTable.exitingPhase(SymbolTable.scala:256) | |
| at scala.tools.nsc.transform.Erasure$ErasureTransformer.transform(Erasure.scala:1162) | |
| at scala.tools.nsc.transform.Erasure$ErasureTransformer.transform(Erasure.scala:743) | |
| at scala.tools.nsc.ast.Trees$Transformer.transformUnit(Trees.scala:147) | |
| at scala.tools.nsc.transform.Transform$Phase.apply(Transform.scala:30) | |
| at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply$mcV$sp(Global.scala:441) | |
| at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.scala:432) | |
| at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:441) | |
| at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:399) | |
| at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:399) | |
| at scala.collection.Iterator$class.foreach(Iterator.scala:750) | |
| at scala.collection.AbstractIterator.foreach(Iterator.scala:1202) | |
| at scala.tools.nsc.Global$GlobalPhase.run(Global.scala:399) | |
| at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1500) | |
| at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1487) | |
| at scala.tools.nsc.Global$Run.compileSources(Global.scala:1482) | |
| at scala.tools.nsc.Global$Run.compile(Global.scala:1580) | |
| at xsbt.CachedCompiler0.run(CompilerInterface.scala:116) | |
| at xsbt.CachedCompiler0.run(CompilerInterface.scala:95) | |
| at xsbt.CompilerInterface.run(CompilerInterface.scala:26) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) | |
| at java.lang.reflect.Method.invoke(Method.java:483) | |
| at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:101) | |
| at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:47) | |
| at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:41) | |
| at sbt.compiler.AggressiveCompile$$anonfun$3$$anonfun$compileScala$1$1.apply$mcV$sp(AggressiveCompile.scala:97) | |
| at sbt.compiler.AggressiveCompile$$anonfun$3$$anonfun$compileScala$1$1.apply(AggressiveCompile.scala:97) | |
| at sbt.compiler.AggressiveCompile$$anonfun$3$$anonfun$compileScala$1$1.apply(AggressiveCompile.scala:97) | |
| at sbt.compiler.AggressiveCompile.sbt$compiler$AggressiveCompile$$timed(AggressiveCompile.scala:162) | |
| at sbt.compiler.AggressiveCompile$$anonfun$3.compileScala$1(AggressiveCompile.scala:96) | |
| at sbt.compiler.AggressiveCompile$$anonfun$3.apply(AggressiveCompile.scala:139) | |
| at sbt.compiler.AggressiveCompile$$anonfun$3.apply(AggressiveCompile.scala:86) | |
| at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:38) | |
| at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:36) | |
| at sbt.inc.IncrementalCommon.cycle(IncrementalCommon.scala:31) | |
| at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:39) | |
| at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:38) | |
| at sbt.inc.Incremental$.manageClassfiles(Incremental.scala:66) | |
| at sbt.inc.Incremental$.compile(Incremental.scala:38) | |
| at sbt.inc.IncrementalCompile$.apply(Compile.scala:26) | |
| at sbt.compiler.AggressiveCompile.compile2(AggressiveCompile.scala:153) | |
| at sbt.compiler.AggressiveCompile.compile1(AggressiveCompile.scala:70) | |
| at sbt.compiler.AggressiveCompile.apply(AggressiveCompile.scala:45) | |
| at sbt.Compiler$.apply(Compiler.scala:74) | |
| at sbt.Compiler$.apply(Compiler.scala:65) | |
| at sbt.Defaults$.sbt$Defaults$$compileTaskImpl(Defaults.scala:789) | |
| at sbt.Defaults$$anonfun$compileTask$1.apply(Defaults.scala:781) | |
| at sbt.Defaults$$anonfun$compileTask$1.apply(Defaults.scala:781) | |
| at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47) | |
| at sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:40) | |
| at sbt.std.Transform$$anon$4.work(System.scala:63) | |
| at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:226) | |
| at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:226) | |
| at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:17) | |
| at sbt.Execute.work(Execute.scala:235) | |
| at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:226) | |
| at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:226) | |
| at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:159) | |
| at sbt.CompletionService$$anon$2.call(CompletionService.scala:28) | |
| at java.util.concurrent.FutureTask.run(FutureTask.java:266) | |
| at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) | |
| at java.util.concurrent.FutureTask.run(FutureTask.java:266) | |
| at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) | |
| at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) | |
| at java.lang.Thread.run(Thread.java:745) | |
| [error] (compile:compile) scala.reflect.internal.FatalError: | |
| [error] unrecoverable error | |
| [error] while compiling: /Users/user/freeap/Main.scala | |
| [error] during phase: globalPhase=erasure, enteringPhase=posterasure | |
| [error] library version: version 2.11.5 | |
| [error] compiler version: version 2.11.5 | |
| [error] reconstructed args: -classpath /Users/user/freeap/target/scala-2.11/classes -bootclasspath /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre/classes:/Users/user/.ivy2/cache/org.scala-lang/scala-library/jars/scala-library-2.11.5.jar | |
| [error] | |
| [error] last tree to typer: TypeTree(class FreeAp) | |
| [error] tree position: line 37 of /Users/user/freeap/FreeAp.scala | |
| [error] tree tpe: FreeAp | |
| [error] symbol: (sealed abstract) class FreeAp | |
| [error] symbol definition: sealed abstract class FreeAp extends Object (a ClassSymbol) | |
| [error] symbol package: <empty> | |
| [error] symbol owners: class FreeAp | |
| [error] call site: method main in object Main in package <empty> | |
| [error] | |
| [error] == Source file context for tree position == | |
| [error] | |
| [error] 34 type I = A | |
| [error] 35 lazy val v = value | |
| [error] 36 lazy val k = function | |
| [error] 37 } | |
| [error] 38 } | |
| [error] 39 | |
| [error] 40 | |
| [error] Total time: 3 s, completed 2015/01/17 19:40:36 |
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| sealed abstract class FreeAp[F[_],A] { | |
| import FreeAp._ | |
| def ap[B](f: FreeAp[F, A => B]): FreeAp[F,B] = f match { | |
| case Pure(g) => map(g) | |
| case x@Ap() => FreeAp(x.v, ap(x.k.map(g => (a:A) => (b:x.I) => g(b)(a)))) | |
| } | |
| def map[B](f: A => B): FreeAp[F,B] = this match { | |
| case Pure(a) => Pure(f(a)) | |
| case x@Ap() => FreeAp(x.v, x.k.map(f compose _)) | |
| } | |
| } | |
| object FreeAp { | |
| implicit def freeInstance[F[_]]: Applicative[({type λ[α] = FreeAp[F,α]})#λ] = | |
| new Applicative[({type λ[α] = FreeAp[F,α]})#λ] { | |
| def point[A](a: => A) = FreeAp.point(a) | |
| def ap[A,B](fa: => FreeAp[F,A])(ff: => FreeAp[F, A => B]) = fa ap ff | |
| } | |
| def point[F[_],A](a: A): FreeAp[F,A] = Pure(a) | |
| def lift[F[_],A](x: => F[A]): FreeAp[F, A] = FreeAp(x, Pure((a: A) => a)) | |
| private final case class Pure[F[_],A](a: A) extends FreeAp[F,A] | |
| private abstract case class Ap[F[_],A]() extends FreeAp[F,A] { | |
| type I | |
| def v: F[I] | |
| def k: FreeAp[F, I => A] | |
| } | |
| def apply[F[_],A,B](value: => F[A], function: => FreeAp[F, A => B]): FreeAp[F,B] = | |
| new Ap[F,B] { | |
| type I = A | |
| lazy val v = value | |
| lazy val k = function | |
| } | |
| } |
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| object Main { | |
| def main(args: Array[String]): Unit = { | |
| val x: FreeAp[Option, Int] = FreeAp.lift(Option(1)) | |
| FreeAp.freeInstance[Option].apply2(x, x) | |
| } | |
| } |
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https://issues.scala-lang.org/browse/SI-9093