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
@@ -180,7 +180,7 @@ class ClassfileWriters(frontendAccess: PostProcessorFrontendAccess) {
       // important detail here, even on Windows, Zinc expects the separator within the jar
       // to be the system default, (even if in the actual jar file the entry always uses '/').
       // see https://github.com/sbt/zinc/blob/dcddc1f9cfe542d738582c43f4840e17c053ce81/internal/compiler-bridge/src/main/scala/xsbt/JarUtils.scala#L47
-      val pathInJar = 
+      val pathInJar =
         if File.separatorChar == '/' then relativePath
         else relativePath.replace('/', File.separatorChar)
       PlainFile.toPlainFile(Paths.get(s"${file.absolutePath}!$pathInJar"))

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

@@ -12,7 +12,7 @@ import dotty.tools.io.{AbstractFile, Directory, JDK9Reflectors, PlainDirectory}
 import dotty.tools.backend.jvm.BackendUtils.classfileVersionMap
 import Setting.ChoiceWithHelp
 
-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

@@ -24,7 +24,7 @@ import java.io.PrintWriter
 
 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/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/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

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

@@ -13,7 +13,7 @@ import Chars.*
 import scala.annotation.internal.sharable
 import scala.collection.mutable
 import scala.collection.mutable.ArrayBuffer
-import scala.util.chaining.given
+import dotty.tools.dotc.util.chaining.*
 
 import java.io.File.separator
 import java.net.URI

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

@@ -15,7 +15,7 @@ package dotty.tools.dotc.util
 import scala.language.unsafeNulls
 
 import collection.mutable, mutable.ListBuffer
-import scala.util.chaining.given
+import dotty.tools.dotc.util.chaining.*
 import java.lang.System.lineSeparator
 
 object StackTraceOps:

compiler/src/dotty/tools/repl/ReplCompiler.scala

@@ -18,9 +18,9 @@ import dotty.tools.dotc.util.Spans.*
 import dotty.tools.dotc.util.{ParsedComment, Property, SourceFile}
 import dotty.tools.dotc.{CompilationUnit, Compiler, Run}
 import dotty.tools.repl.results.*
+import dotty.tools.dotc.util.chaining.*
 
 import scala.collection.mutable
-import scala.util.chaining.given
 
 /** This subclass of `Compiler` is adapted for use in the REPL.
  *