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Surface.methodsOf for Enumeration fails in Scala 3 #3411

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OndrejSpanel opened this issue Feb 25, 2024 · 1 comment
Open

Surface.methodsOf for Enumeration fails in Scala 3 #3411

OndrejSpanel opened this issue Feb 25, 2024 · 1 comment
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@OndrejSpanel
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OndrejSpanel commented Feb 25, 2024

Another one discovered thanks to using the workaround suggested in #3367. Tested with Scala 3.4.1-RC1 and surface 24.2.2, works fine in Scala 2:

build.sbt:

version := "0.1.0-SNAPSHOT"

scalaVersion := "3.4.1-RC1"

name := "airframe-surface-test"

libraryDependencies += "org.wvlet.airframe" %% "airframe-surface" % "24.2.2"

Main.scala:

import wvlet.airframe.surface.Surface

object Main {

  object ScalaEnum extends Enumeration {
    val EnumA, EnumB = Value

    type ScalaEnum = Value
  }

  def main(args: Array[String]): Unit = {
    Surface.methodsOf[ScalaEnum.ScalaEnum]
  }
}

produces following error:

C:\Dev\airframe-surface-test\src\main\scala\Main.scala:12:22
constructor ValueSet cannot be accessed as a member of Enumeration.this.ValueSet from object Main.
  private[ValueSet] constructor ValueSet can only be accessed from class ValueSet in class Enumeration.
    Surface.methodsOf[ScalaEnum.ScalaEnum]

@OndrejSpanel OndrejSpanel changed the title Surface.methodsOf for Enumeration fails in Scala 3 Surface.methodsOf for Enumeration fails in Scala 3 Feb 25, 2024
@xerial xerial added the bug label Feb 27, 2024
@OndrejSpanel
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I guess with #3423 the behaviour will change, as private[ValueSet] should be handled gracefully. It might be worth checking what is the current behaviour with Scala 2 and make sure with Scala 3 it behaves the same way.

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