Revert to original indentation syntax

community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala

@@ -7,7 +7,7 @@ import org.junit.{Ignore, Test}
 import org.junit.Assert.{assertEquals, fail}
 import org.junit.experimental.categories.Category
 
-abstract class CommunityBuildTest with
+abstract class CommunityBuildTest:
   given CommunityBuildTest = this
 
   /** Depending on the mode of operation, either
@@ -81,7 +81,7 @@ abstract class CommunityBuildTest with
 end CommunityBuildTest
 
 @Category(Array(classOf[TestCategory]))
-class CommunityBuildTestA extends CommunityBuildTest with
+class CommunityBuildTestA extends CommunityBuildTest:
   @Test def endpoints4s = projects.endpoints4s.run()
   @Test def fansi = projects.fansi.run()
   @Test def fastparse = projects.fastparse.run()
@@ -119,7 +119,7 @@ class CommunityBuildTestA extends CommunityBuildTest with
 end CommunityBuildTestA
 
 @Category(Array(classOf[TestCategory]))
-class CommunityBuildTestB extends CommunityBuildTest with
+class CommunityBuildTestB extends CommunityBuildTest:
   @Test def algebra = projects.algebra.run()
   @Test def betterfiles = projects.betterfiles.run()
   @Test def cats = projects.cats.run()

compiler/src/dotty/tools/dotc/Bench.scala

@@ -11,7 +11,7 @@ import scala.annotation.internal.sharable
  *  number of compilers and run each (sequentially) a given number of times
  *  on the same sources.
  */
-object Bench extends Driver with
+object Bench extends Driver:
 
   @sharable private var numRuns = 1
 

compiler/src/dotty/tools/dotc/ast/DesugarEnums.scala

@@ -20,7 +20,7 @@ object DesugarEnums {
     val Simple, Object, Class: Value = Value
   }
 
-  final case class EnumConstraints(minKind: CaseKind.Value, maxKind: CaseKind.Value, enumCases: List[(Int, RefTree)]) with
+  final case class EnumConstraints(minKind: CaseKind.Value, maxKind: CaseKind.Value, enumCases: List[(Int, RefTree)]):
     require(minKind <= maxKind && !(cached && enumCases.isEmpty))
     def requiresCreator = minKind == CaseKind.Simple
     def isEnumeration   = maxKind < CaseKind.Class

compiler/src/dotty/tools/dotc/ast/TreeInfo.scala

@@ -943,7 +943,7 @@ trait TypedTreeInfo extends TreeInfo[Type] { self: Trees.Instance[Type] =>
   /** Extractor for not-null assertions.
    *  A not-null assertion for reference `x` has the form `x.$asInstanceOf$[x.type & T]`.
    */
-  object AssertNotNull  with
+  object AssertNotNull :
     def apply(tree: tpd.Tree, tpnn: Type)(using Context): tpd.Tree =
       tree.select(defn.Any_typeCast).appliedToType(AndType(tree.tpe, tpnn))
 

compiler/src/dotty/tools/dotc/ast/Trees.scala

@@ -382,7 +382,7 @@ object Trees {
     def rhs(using Context): Tree[T] = forceIfLazy
   }
 
-  trait ValOrTypeDef[-T >: Untyped] extends MemberDef[T] with
+  trait ValOrTypeDef[-T >: Untyped] extends MemberDef[T]:
     type ThisTree[-T >: Untyped] <: ValOrTypeDef[T]
 
   type ParamClause[T >: Untyped] = List[ValDef[T]] | List[TypeDef[T]]
@@ -444,7 +444,7 @@ object Trees {
   }
 
   /** The kind of application */
-  enum ApplyKind with
+  enum ApplyKind:
     case Regular      // r.f(x)
     case Using        // r.f(using x)
     case InfixTuple   // r f (x1, ..., xN) where N != 1;  needs to be treated specially for an error message in typedApply
@@ -1591,12 +1591,12 @@ object Trees {
       }
     }.asInstanceOf[tree.ThisTree[T]]
 
-    object TypeDefs with
+    object TypeDefs:
       def unapply(xs: List[Tree]): Option[List[TypeDef]] = xs match
         case (x: TypeDef) :: _ => Some(xs.asInstanceOf[List[TypeDef]])
         case _ => None
 
-    object ValDefs with
+    object ValDefs:
       def unapply(xs: List[Tree]): Option[List[ValDef]] = xs match
         case Nil => Some(Nil)
         case (x: ValDef) :: _ => Some(xs.asInstanceOf[List[ValDef]])

compiler/src/dotty/tools/dotc/ast/tpd.scala

@@ -1230,12 +1230,12 @@ object tpd extends Trees.Instance[Type] with TypedTreeInfo {
     Ident(defn.ScalaRuntimeModule.requiredMethod(name).termRef).appliedToTermArgs(args)
 
   /** An extractor that pulls out type arguments */
-  object MaybePoly with
+  object MaybePoly:
     def unapply(tree: Tree): Option[(Tree, List[Tree])] = tree match
       case TypeApply(tree, targs) => Some(tree, targs)
       case _ => Some(tree, Nil)
 
-  object TypeArgs with
+  object TypeArgs:
     def unapply(ts: List[Tree]): Option[List[Tree]] =
       if ts.nonEmpty && ts.head.isType then Some(ts) else None
 

compiler/src/dotty/tools/dotc/ast/untpd.scala

@@ -155,7 +155,7 @@ object untpd extends Trees.Instance[Untyped] with UntypedTreeInfo {
   }
 
   def WildcardTypeBoundsTree()(using src: SourceFile): TypeBoundsTree = TypeBoundsTree(EmptyTree, EmptyTree, EmptyTree)
-  object WildcardTypeBoundsTree with
+  object WildcardTypeBoundsTree:
     def unapply(tree: untpd.Tree): Boolean = tree match
       case TypeBoundsTree(EmptyTree, EmptyTree, _) => true
       case _ => false

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

@@ -6,7 +6,7 @@ import java.lang.Character.isWhitespace
 
 /** A simple enough command line parser.
  */
-object CommandLineParser with
+object CommandLineParser:
   inline private val DQ  = '"'
   inline private val SQ  = '\''
   inline private val EOF = -1

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

@@ -10,7 +10,7 @@ import util.SrcPos
 import SourceVersion._
 import reporting.Message
 
-object Feature with
+object Feature:
 
   private val dependent = "dependent".toTermName
   private val namedTypeArguments = "namedTypeArguments".toTermName

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

@@ -8,7 +8,7 @@ import core.StdNames.nme
 import core.Decorators.{_, given}
 import util.Property
 
-enum SourceVersion with
+enum SourceVersion:
   case `3.0-migration`, `3.0`, `3.1-migration`, `3.1`
 
   val isMigrating: Boolean = toString.endsWith("-migration")
@@ -18,7 +18,7 @@ enum SourceVersion with
 
   def isAtLeast(v: SourceVersion) = stable.ordinal >= v.ordinal
 
-object SourceVersion extends Property.Key[SourceVersion] with
+object SourceVersion extends Property.Key[SourceVersion]:
   def defaultSourceVersion = `3.0`
 
   val allSourceVersionNames = values.toList.map(_.toString.toTermName)

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

@@ -12,7 +12,7 @@ import Types._
  *  If the underlying type of a singleton type is another singleton type,
  *  only the latter type ends up in the sets.
  */
-enum Atoms with
+enum Atoms:
   case Range(lo: Set[Type], hi: Set[Type])
   case Unknown
 

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

@@ -249,7 +249,7 @@ trait ConstraintHandling {
     /** Substitute wildcards with fresh TypeParamRefs, to be compared with
      *  other bound, so that they can be instantiated.
      */
-    object substWildcards extends TypeMap with
+    object substWildcards extends TypeMap:
       override def stopAtStatic = true
 
       var trackedPolis: List[PolyType] = Nil

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

@@ -7,7 +7,7 @@ import SymDenotations.LazyType, Names.Name, StdNames.nme
 import ast.untpd
 
 /** Extension methods for contexts where we want to keep the ctx.<methodName> syntax */
-object ContextOps with
+object ContextOps:
 
   extension (ctx: Context)
 

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

@@ -1172,7 +1172,7 @@ class Definitions {
 
   @tu lazy val TupleType: Array[TypeRef] = mkArityArray("scala.Tuple", MaxTupleArity, 1)
 
-  private class FunType(prefix: String) with
+  private class FunType(prefix: String):
     private var classRefs: Array[TypeRef] = new Array(22)
     def apply(n: Int): TypeRef =
       while n >= classRefs.length do
@@ -1526,7 +1526,7 @@ class Definitions {
    *  dependent refinements. Optionally returns a triple consisting of the argument
    *  types `As`, the result type `B` and a whether the type is an erased context function.
    */
-  object ContextFunctionType with
+  object ContextFunctionType:
     def unapply(tp: Type)(using Context): Option[(List[Type], Type, Boolean)] =
       if ctx.erasedTypes then
         atPhase(erasurePhase)(unapply(tp))

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

@@ -9,7 +9,7 @@ import config.Config
 import ast.untpd
 
 /** Operations that are shared between Namer and TreeUnpickler */
-object NamerOps with
+object NamerOps:
 
   /** The given type, unless `sym` is a constructor, in which case the
    *  type of the constructed instance is returned
@@ -83,7 +83,7 @@ object NamerOps with
     && !cls.isAnonymousClass
 
   /** The completer of a constructor proxy apply method */
-  class ApplyProxyCompleter(constr: Symbol)(using Context) extends LazyType with
+  class ApplyProxyCompleter(constr: Symbol)(using Context) extends LazyType:
     def complete(denot: SymDenotation)(using Context): Unit =
       denot.info = constr.info
 

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

@@ -535,7 +535,7 @@ object Names {
       chrs.copyToArray(newchrs)
       chrs = newchrs
 
-  private class NameTable extends HashSet[SimpleName](initialCapacity = 0x10000, capacityMultiple = 2) with
+  private class NameTable extends HashSet[SimpleName](initialCapacity = 0x10000, capacityMultiple = 2):
     import util.Stats
 
     override def hash(x: SimpleName) = hashValue(chrs, x.start, x.length) // needed for resize

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

@@ -5,7 +5,7 @@ import Types._, Symbols._, Contexts._, Decorators._
 /** Substitution operations on types. See the corresponding `subst` and
  *  `substThis` methods on class Type for an explanation.
  */
-object Substituters with
+object Substituters:
 
   final def subst(tp: Type, from: BindingType, to: BindingType, theMap: SubstBindingMap)(using Context): Type =
     tp match {

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

@@ -2556,7 +2556,7 @@ object SymDenotations {
     def needsCompletion(symd: SymDenotation)(using Context): Boolean = true
   }
 
-  object LazyType with
+  object LazyType:
     private val NoSymbolFn = (_: Context) ?=> NoSymbol
 
   /** A subtrait of LazyTypes where completerTypeParams yields a List[TypeSymbol], which

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

@@ -864,15 +864,15 @@ object Symbols {
   /** Matches lists of term symbols, including the empty list.
    *  All symbols in the list are assumed to be of the same kind.
    */
-  object TermSymbols with
+  object TermSymbols:
     def unapply(xs: List[Symbol])(using Context): Option[List[TermSymbol]] = xs match
       case (x: Symbol) :: _ if x.isType => None
       case _ => Some(xs.asInstanceOf[List[TermSymbol]])
 
   /** Matches lists of type symbols, excluding the empty list.
    *  All symbols in the list are assumed to be of the same kind.
    */
-  object TypeSymbols with
+  object TypeSymbols:
     def unapply(xs: List[Symbol])(using Context): Option[List[TypeSymbol]] = xs match
       case (x: Symbol) :: _ if x.isType => Some(xs.asInstanceOf[List[TypeSymbol]])
       case _ => None

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

@@ -32,7 +32,7 @@ object TypeApplications {
    *
    *  @param tycon     C
    */
-  object EtaExpansion with
+  object EtaExpansion:
 
     def apply(tycon: Type)(using Context): Type =
       assert(tycon.typeParams.nonEmpty, tycon)

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

@@ -2558,7 +2558,7 @@ class TypeComparer(@constructorOnly initctx: Context) extends ConstraintHandling
 
 object TypeComparer {
 
-  enum CompareResult with
+  enum CompareResult:
     case OK, Fail, OKwithGADTUsed
 
   /** Class for unification variables used in `natValue`. */
@@ -2577,7 +2577,7 @@ object TypeComparer {
    *   - `LoApprox`: The left type is approximated (i.e widened)"
    *   - `HiApprox`: The right type is approximated (i.e narrowed)"
    */
-  object ApproxState with
+  object ApproxState:
     opaque type Repr = Int
 
     val None: Repr = 0

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

@@ -24,7 +24,7 @@ import reporting.TestingReporter
 import scala.annotation.internal.sharable
 import scala.annotation.threadUnsafe
 
-object TypeOps with
+object TypeOps:
 
   @sharable var track: Boolean = false // for debugging
 

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

@@ -112,7 +112,7 @@ object Types {
     def isProvisional(using Context): Boolean = mightBeProvisional && testProvisional
 
     private def testProvisional(using Context): Boolean =
-      class ProAcc extends TypeAccumulator[Boolean] with
+      class ProAcc extends TypeAccumulator[Boolean]:
         override def apply(x: Boolean, t: Type) = x || test(t, this)
       def test(t: Type, theAcc: TypeAccumulator[Boolean]): Boolean =
         if t.mightBeProvisional then
@@ -3413,7 +3413,7 @@ object Types {
     private var myParamDependencyStatus: DependencyStatus = Unknown
 
     private def depStatus(initial: DependencyStatus, tp: Type)(using Context): DependencyStatus =
-      class DepAcc extends TypeAccumulator[DependencyStatus] with
+      class DepAcc extends TypeAccumulator[DependencyStatus]:
         def apply(status: DependencyStatus, tp: Type) = compute(status, tp, this)
       def combine(x: DependencyStatus, y: DependencyStatus) =
         val status = (x & StatusMask) max (y & StatusMask)
@@ -4419,7 +4419,7 @@ object Types {
       s"TypeVar($origin$instStr)"
     }
   }
-  object TypeVar with
+  object TypeVar:
     def apply(initOrigin: TypeParamRef, creatorState: TyperState)(using Context) =
       new TypeVar(initOrigin, creatorState, ctx.owner.nestingLevel)
 
@@ -4841,7 +4841,7 @@ object Types {
 
   class CachedAnnotatedType(parent: Type, annot: Annotation) extends AnnotatedType(parent, annot)
 
-  object AnnotatedType with
+  object AnnotatedType:
     def make(underlying: Type, annots: List[Annotation])(using Context): Type =
       annots.foldLeft(underlying)(apply(_, _))
     def apply(parent: Type, annot: Annotation)(using Context): AnnotatedType =
@@ -4889,14 +4889,14 @@ object Types {
     def msg(using Context): Message
   }
 
-  object ErrorType with
+  object ErrorType:
     def apply(m: Message)(using Context): ErrorType =
       val et = new PreviousErrorType
       ctx.base.errorTypeMsg(et) = m
       et
   end ErrorType
 
-  class PreviousErrorType extends ErrorType with
+  class PreviousErrorType extends ErrorType:
     def msg(using Context): Message =
       ctx.base.errorTypeMsg.get(this) match
         case Some(m) => m
@@ -5053,7 +5053,7 @@ object Types {
   // ----- TypeMaps --------------------------------------------------------------------
 
   /** Common base class of TypeMap and TypeAccumulator */
-  abstract class VariantTraversal with
+  abstract class VariantTraversal:
     protected[core] var variance: Int = 1
 
     inline protected def atVariance[T](v: Int)(op: => T): T = {

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

@@ -6,7 +6,7 @@ import config.Config
 import Decorators._
 import util.{HashSet, Stats}
 
-class Uniques extends HashSet[Type](Config.initialUniquesCapacity) with
+class Uniques extends HashSet[Type](Config.initialUniquesCapacity):
   override def hash(x: Type): Int = x.hash
   override def isEqual(x: Type, y: Type) = x.eql(y)
 
@@ -15,7 +15,7 @@ class Uniques extends HashSet[Type](Config.initialUniquesCapacity) with
  *  All sets offer a `enterIfNew` method which checks whether a type
  *  with the given parts exists already and creates a new one if not.
  */
-object Uniques with
+object Uniques:
 
   private inline def recordCaching(tp: Type): Unit = recordCaching(tp.hash, tp.getClass)
   private inline def recordCaching(h: Int, clazz: Class[?]): Unit =
@@ -32,7 +32,7 @@ object Uniques with
     if tp.hash == NotCached then tp
     else ctx.uniques.put(tp).asInstanceOf[T]
 
-  final class NamedTypeUniques extends HashSet[NamedType](Config.initialUniquesCapacity * 4) with Hashable with
+  final class NamedTypeUniques extends HashSet[NamedType](Config.initialUniquesCapacity * 4) with Hashable:
     override def hash(x: NamedType): Int = x.hash
 
     def enterIfNew(prefix: Type, designator: Designator, isTerm: Boolean)(using Context): NamedType =
@@ -53,7 +53,7 @@ object Uniques with
         addEntryAt(idx, newType)
   end NamedTypeUniques
 
-  final class AppliedUniques extends HashSet[AppliedType](Config.initialUniquesCapacity * 2) with Hashable with
+  final class AppliedUniques extends HashSet[AppliedType](Config.initialUniquesCapacity * 2) with Hashable:
     override def hash(x: AppliedType): Int = x.hash
 
     def enterIfNew(tycon: Type, args: List[Type]): AppliedType =

compiler/src/dotty/tools/dotc/core/tasty/CommentPickler.scala

@@ -10,7 +10,7 @@ import dotty.tools.tasty.TastyFormat.CommentsSection
 
 import java.nio.charset.StandardCharsets
 
-class CommentPickler(pickler: TastyPickler, addrOfTree: tpd.Tree => Addr, docString: untpd.MemberDef => Option[Comment]) with
+class CommentPickler(pickler: TastyPickler, addrOfTree: tpd.Tree => Addr, docString: untpd.MemberDef => Option[Comment]):
   private val buf = new TastyBuffer(5000)
   pickler.newSection(CommentsSection, buf)