chore: add scala.language.2 to files in scala.jdk

Author: hamzaremmal

library/src/scala/jdk/Accumulator.scala

@@ -14,6 +14,7 @@ package scala.jdk
 
 import java.{lang => jl}
 
+import scala.language.`2`
 import scala.collection.Stepper.EfficientSplit
 import scala.collection.{Stepper, StepperShape, mutable}
 import scala.language.implicitConversions

library/src/scala/jdk/AnyAccumulator.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk
 
+import scala.language.`2`
 import java.io.{ObjectInputStream, ObjectOutputStream}
 import java.util.Spliterator
 import java.util.function.Consumer

library/src/scala/jdk/CollectionConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk
 
+import scala.language.`2`
 import scala.collection.convert.{AsJavaExtensions, AsScalaExtensions}
 
 /** This object provides extension methods that convert between Scala and Java collections.

library/src/scala/jdk/DoubleAccumulator.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk
 
+import scala.language.`2`
 import java.io.{ObjectInputStream, ObjectOutputStream}
 import java.util.Spliterator
 import java.util.function.{Consumer, DoubleConsumer}

library/src/scala/jdk/DurationConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk
 
+import scala.language.`2`
 import java.time.{Duration => JDuration}
 
 import scala.concurrent.duration.FiniteDuration

library/src/scala/jdk/FunctionConverters.scala

@@ -15,6 +15,8 @@
 
 package scala.jdk
 
+import scala.language.`2`
+
 /** This object provides extension methods that convert between Scala and Java function types.
   *
   * When writing Java code, use the explicit conversion methods defined in

library/src/scala/jdk/FunctionExtensions.scala

@@ -15,6 +15,7 @@
 
 package scala.jdk
 
+import scala.language.`2`
 import language.implicitConversions
 
 trait Priority3FunctionExtensions {

library/src/scala/jdk/FunctionWrappers.scala

@@ -15,6 +15,8 @@
 
 package scala.jdk
 
+import scala.language.`2`
+
 object FunctionWrappers {
   case class FromJavaBiConsumer[T, U](jf: java.util.function.BiConsumer[T, U]) extends scala.Function2[T, U, Unit] {
     def apply(x1: T, x2: U) = jf.accept(x1, x2)

library/src/scala/jdk/FutureConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk
 
+import scala.language.`2`
 import java.util.concurrent.CompletionStage
 
 import scala.concurrent.Future

library/src/scala/jdk/IntAccumulator.scala

@@ -22,6 +22,8 @@ import scala.collection.Stepper.EfficientSplit
 import scala.collection.{AnyStepper, Factory, IntStepper, SeqFactory, Stepper, StepperShape, mutable}
 import scala.language.implicitConversions
 
+import scala.language.`2`
+
 /** A specialized Accumulator that holds `Int`s without boxing, see [[Accumulator]]. */
 final class IntAccumulator
   extends Accumulator[Int, AnyAccumulator, IntAccumulator]

library/src/scala/jdk/LongAccumulator.scala

@@ -22,6 +22,8 @@ import scala.collection.Stepper.EfficientSplit
 import scala.collection.{AnyStepper, Factory, LongStepper, SeqFactory, Stepper, StepperShape, mutable}
 import scala.language.implicitConversions
 
+import scala.language.`2`
+
 /** A specialized Accumulator that holds `Long`s without boxing, see [[Accumulator]]. */
 final class LongAccumulator
   extends Accumulator[Long, AnyAccumulator, LongAccumulator]

library/src/scala/jdk/OptionConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk
 
+import scala.language.`2`
 import java.util.{Optional, OptionalDouble, OptionalInt, OptionalLong}
 
 /** This object provides extension methods that convert between Scala `Option` and Java `Optional`

library/src/scala/jdk/OptionShape.scala

@@ -15,6 +15,7 @@ package scala.jdk
 import java.util.{Optional, OptionalDouble, OptionalInt, OptionalLong}
 import java.{lang => jl}
 
+import scala.language.`2`
 import scala.annotation.implicitNotFound
 
 /** A type class implementing conversions from a generic Scala `Option` or Java `Optional` to

library/src/scala/jdk/StreamConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk
 
+import scala.language.`2`
 import scala.collection.convert.StreamExtensions
 
 /** This object provides extension methods to create [[java.util.stream.Stream Java Streams]] that

library/src/scala/jdk/javaapi/CollectionConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk.javaapi
 
+import scala.language.`2`
 import scala.collection.convert.{AsJavaConverters, AsScalaConverters}
 
 /** This object contains methods that convert between Scala and Java collections.

library/src/scala/jdk/javaapi/DurationConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk.javaapi
 
+import scala.language.`2`
 import java.time.temporal.ChronoUnit
 import java.time.{Duration => JDuration}
 import java.util.concurrent.TimeUnit

library/src/scala/jdk/javaapi/FunctionConverters.scala

@@ -15,6 +15,8 @@
 
 package scala.jdk.javaapi
 
+import scala.language.`2`
+
 /** This object contains methods that convert between Scala and Java function types.
   *
   * The explicit conversion methods defined here are intended to be used in Java code. For Scala

library/src/scala/jdk/javaapi/FutureConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk.javaapi
 
+import scala.language.`2`
 import java.util.concurrent.{CompletableFuture, CompletionStage}
 import scala.concurrent.impl.FutureConvertersImpl.{CF, P}
 import scala.concurrent.{ExecutionContext, Future}

library/src/scala/jdk/javaapi/OptionConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk.javaapi
 
+import scala.language.`2`
 import java.util.{Optional, OptionalDouble, OptionalInt, OptionalLong}
 import java.{lang => jl}
 

library/src/scala/jdk/javaapi/StreamConverters.scala

@@ -12,6 +12,7 @@
 
 package scala.jdk.javaapi
 
+import scala.language.`2`
 import java.util.stream.{DoubleStream, IntStream, LongStream, Stream, StreamSupport}
 import java.{lang => jl}
 

library/src/scala/jdk/package.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2`
+
 /** The jdk package contains utilities to interact with JDK classes.
  * 
  * This packages offers a number of converters, that are able to wrap or copy