Prefer dotc.util.chaining

Author: som-snytt

compiler/src/dotty/tools/backend/jvm/ClassfileWriters.scala

@@ -12,10 +12,10 @@ import java.util.zip.{CRC32, Deflater, ZipEntry, ZipOutputStream}
 
 import dotty.tools.dotc.core.Contexts.*
 import dotty.tools.dotc.core.Decorators.em
+import dotty.tools.dotc.util.chaining.*
 import dotty.tools.io.{AbstractFile, PlainFile, VirtualFile}
 import dotty.tools.io.PlainFile.toPlainFile
 import BTypes.InternalName
-import scala.util.chaining.*
 import dotty.tools.io.JarArchive
 
 import scala.language.unsafeNulls

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

@@ -7,7 +7,7 @@ import Settings.*
 import core.Contexts.*
 import printing.Highlighting
 
-import scala.util.chaining.given
+import dotty.tools.dotc.util.chaining.*
 import scala.PartialFunction.cond
 
 trait CliCommand:

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

@@ -11,7 +11,7 @@ import dotty.tools.io.{AbstractFile, Directory, JDK9Reflectors, PlainDirectory,
 import Setting.ChoiceWithHelp
 import ScalaSettingCategories.*
 
-import scala.util.chaining.*
+import dotty.tools.dotc.util.chaining.*
 
 import java.util.zip.Deflater
 

compiler/src/dotty/tools/dotc/reporting/Diagnostic.scala

@@ -8,9 +8,9 @@ import dotty.tools.dotc.config.Settings.Setting
 import dotty.tools.dotc.core.Contexts.*
 import dotty.tools.dotc.interfaces.Diagnostic.{ERROR, INFO, WARNING}
 import dotty.tools.dotc.util.SourcePosition
+import dotty.tools.dotc.util.chaining.*
 
 import java.util.{Collections, Optional, List => JList}
-import scala.util.chaining.*
 import core.Decorators.toMessage
 
 object Diagnostic:

compiler/src/dotty/tools/dotc/sbt/ExtractAPI.scala

@@ -28,7 +28,7 @@ import ExtractAPI.NonLocalClassSymbolsInCurrentUnits
 
 import scala.collection.mutable
 import scala.util.hashing.MurmurHash3
-import scala.util.chaining.*
+import dotty.tools.dotc.util.chaining.*
 
 /** This phase sends a representation of the API of classes to sbt via callbacks.
  *

compiler/src/dotty/tools/dotc/sbt/package.scala

@@ -10,7 +10,6 @@ import interfaces.IncrementalCallback
 import dotty.tools.io.FileWriters.BufferingReporter
 import dotty.tools.dotc.core.Decorators.em
 
-import scala.util.chaining.given
 import scala.util.control.NonFatal
 
 inline val TermNameHash = 1987 // 300th prime

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

@@ -9,13 +9,13 @@ import core.Annotations.Annotation
 import core.Flags
 import core.Names.Name
 import core.StdNames.tpnme
-import scala.util.chaining.scalaUtilChainingOps
 
 import collection.mutable
 
 import dotty.tools.dotc.{semanticdb => s}
 import Scala3.{FakeSymbol, SemanticSymbol, WildcardTypeSymbol, TypeParamRefSymbol, TermParamRefSymbol, RefinementSymbol}
 import dotty.tools.dotc.core.Names.Designator
+import dotty.tools.dotc.util.chaining.*
 
 class TypeOps:
   import SymbolScopeOps.*

compiler/src/dotty/tools/dotc/transform/Pickler.scala

@@ -25,10 +25,10 @@ import scala.annotation.constructorOnly
 import scala.concurrent.Promise
 import dotty.tools.dotc.transform.Pickler.writeSigFilesAsync
 
-import scala.util.chaining.given
 import dotty.tools.io.FileWriters.{EagerReporter, BufferingReporter}
 import dotty.tools.dotc.sbt.interfaces.IncrementalCallback
 import dotty.tools.dotc.sbt.asyncZincPhasesCompleted
+import dotty.tools.dotc.util.chaining.*
 import scala.concurrent.ExecutionContext
 import scala.util.control.NonFatal
 import java.util.concurrent.atomic.AtomicBoolean

compiler/src/dotty/tools/dotc/transform/localopt/FormatChecker.scala

@@ -3,10 +3,8 @@ package transform.localopt
 
 import scala.annotation.tailrec
 import scala.collection.mutable.ListBuffer
-import scala.util.chaining.*
 import scala.util.matching.Regex.Match
 
-
 import PartialFunction.cond
 
 import dotty.tools.dotc.ast.tpd.{Match => _, *}
@@ -15,6 +13,7 @@ import dotty.tools.dotc.core.Symbols.*
 import dotty.tools.dotc.core.Types.*
 import dotty.tools.dotc.core.Phases.typerPhase
 import dotty.tools.dotc.util.Spans.Span
+import dotty.tools.dotc.util.chaining.*
 
 /** Formatter string checker. */
 class TypedFormatChecker(partsElems: List[Tree], parts: List[String], args: List[Tree])(using Context):

compiler/src/dotty/tools/dotc/util/ReusableInstance.scala

@@ -1,7 +1,7 @@
 package dotty.tools.dotc.util
 
 import scala.collection.mutable.ArrayBuffer
-import scala.util.chaining.*
+import dotty.tools.dotc.util.chaining.*
 
 /** A wrapper for a list of cached instances of a type `T`.
   * The wrapper is recursion-reentrant: several instances are kept, so