Remove ScalaSettings type:

Author: szymon-rd

compiler/src/dotty/tools/dotc/config/CompilerCommand.scala

@@ -5,7 +5,7 @@ import Settings.*
 import core.Contexts.*
 
 abstract class CompilerCommand extends CliCommand:
-  type ConcreteSettings = ScalaSettings
+  type ConcreteSettings = ScalaSettings.type
 
   final def helpMsg(using settings: ConcreteSettings)(using SettingsState, Context): String =
     settings.allSettings.find(isHelping) match

compiler/src/dotty/tools/dotc/config/ScalaSettings.scala

@@ -23,8 +23,6 @@ object ScalaSettingCategories:
   val AdvancedSetting = "X"
   val VerboseSetting = "V"
 
-type ScalaSettings = ScalaSettings.type
-
 object ScalaSettings extends SettingGroup, AllScalaSettings:
   val settingsByCategory: Map[String, List[Setting[_]]] = 
     allSettings.groupBy(_.category)

compiler/src/dotty/tools/dotc/core/Contexts.scala

@@ -513,7 +513,7 @@ object Contexts {
       s"""Context(
          |${outersIterator.map(ctx => cinfo(using ctx)).mkString("\n\n")})""".stripMargin
 
-    def settings: ScalaSettings            = base.settings
+    def settings: ScalaSettings.type            = base.settings
     def definitions: Definitions           = base.definitions
     def platform: Platform                 = base.platform
     def pendingUnderlying: util.HashSet[Type]      = base.pendingUnderlying
@@ -861,7 +861,7 @@ object Contexts {
                        with Phases.PhasesBase
                        with Plugins {
 
-    val settings: ScalaSettings = ScalaSettings
+    val settings: ScalaSettings.type = ScalaSettings
 
     /** The initial context */
     val initialCtx: Context = FreshContext.initial(this: @unchecked, settings)