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"wrong number of arguments for object" error using extractor #5041

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scabug opened this issue Sep 29, 2011 · 4 comments
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"wrong number of arguments for object" error using extractor #5041

scabug opened this issue Sep 29, 2011 · 4 comments
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@scabug scabug commented Sep 29, 2011

Using scala-2.10.0.r25759-b20110929023607, compiling the following:

case class Token(text: String, startIndex: Int)

object Comment {

  def unapply(s: String): Option[Token] = None

}

object HiddenTokens {

  "foo" match { case Comment(_) => }

}

Gives the error:

Comment.scala:11: error: wrong number of arguments for object Comment
  "foo" match { case Comment(_) => }
                            ^
one error found
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@scabug scabug commented Sep 29, 2011

Imported From: https://issues.scala-lang.org/browse/SI-5041?orig=1
Reporter: Matt Russell (mattrussell)
Other Milestones: 2.10.0

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@scabug scabug commented Dec 5, 2011

Matt Russell (mattrussell) said:
I don't get the error in scala-2.10.0.r26084-b20111129023531.

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@scabug scabug commented Dec 5, 2011

@paulp said:
Doesn't close without a test case.

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@scabug scabug commented May 26, 2012

@scabug scabug closed this May 26, 2012
@scabug scabug added this to the 2.10.0-M3 milestone Apr 7, 2017
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