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FieldMirror.set should allow setting vals #7464

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scabug opened this issue May 8, 2013 · 2 comments
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FieldMirror.set should allow setting vals #7464

scabug opened this issue May 8, 2013 · 2 comments
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@scabug
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@scabug scabug commented May 8, 2013

Currently it says something like this:

[info] - main *** FAILED ***
[info]   scala.ScalaReflectionException: cannot set an immutable field x
[info]   at scala.reflect.runtime.JavaMirrors$JavaMirror.scala$reflect$runtime$JavaMirrors$JavaMirror$$ErrorSetImmutableField(JavaMirrors.scala:136)
[info]   at scala.reflect.runtime.JavaMirrors$JavaMirror$JavaFieldMirror.set(JavaMirrors.scala:285)
[info]   at scala.pickling.InterpretedUnpicklerRuntime$$anon$2$$anonfun$unpickle$1.apply(Runtime.scala:135)
[info]   at scala.pickling.InterpretedUnpicklerRuntime$$anon$2$$anonfun$unpickle$1.apply(Runtime.scala:132)
[info]   at scala.collection.immutable.List.foreach(List.scala:318)
[info]   at scala.pickling.InterpretedUnpicklerRuntime$$anon$2.unpickle(Runtime.scala:132)
[info]   at scala.pickling.singleton.hierarchy.SingletonHierarchyTest$$anonfun$1.test$1(singleton-hierarchy.scala:17)
[info]   at scala.pickling.singleton.hierarchy.SingletonHierarchyTest$$anonfun$1.apply$mcV$sp(singleton-hierarchy.scala:19)
[info]   at scala.pickling.singleton.hierarchy.SingletonHierarchyTest$$anonfun$1.apply(singleton-hierarchy.scala:12)
[info]   at scala.pickling.singleton.hierarchy.SingletonHierarchyTest$$anonfun$1.apply(singleton-hierarchy.scala:12)

At first setting up that sentinel seemed like a good idea, but on a second thought this only brings annoyance. After all, that's reflection, a tool designed to circumvent all rules.

@scabug
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@scabug scabug commented May 8, 2013

Imported From: https://issues.scala-lang.org/browse/SI-7464?orig=1
Reporter: @xeno-by
Affected Versions: 2.10.0, 2.10.1

@scabug
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@scabug scabug commented May 8, 2013

@scabug scabug closed this May 17, 2013
@scabug scabug added this to the 2.10.2-RC1 milestone Apr 7, 2017
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