chore: add language import in stdlib

library/src/scala/AnyVal.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** `AnyVal` is the root class of all ''value types'', which describe values
  *  not implemented as objects in the underlying host system. Value classes
  *  are specified in Scala Language Specification, section 12.2.

library/src/scala/AnyValCompanion.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** A common supertype for companion classes of primitive types.
  *
  *  A common trait for /companion/ objects of primitive types comes handy

library/src/scala/App.scala

@@ -14,6 +14,8 @@ package scala
 
 import java.lang.System.{currentTimeMillis => currentTime}
 
+import scala.language.`2.13`
+
 import scala.annotation.nowarn
 import scala.collection.mutable.ListBuffer
 

library/src/scala/Array.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 //import scala.collection.generic._
 import scala.collection.{Factory, immutable, mutable}
 import mutable.ArrayBuilder

library/src/scala/Boolean.scala

@@ -16,6 +16,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** `Boolean` (equivalent to Java's `boolean` primitive type) is a
  *  subtype of [[scala.AnyVal]]. Instances of `Boolean` are not
  *  represented by an object in the underlying runtime system.

library/src/scala/Byte.scala

@@ -16,6 +16,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** `Byte`, a 8-bit signed integer (equivalent to Java's `byte` primitive type) is a
  *  subtype of [[scala.AnyVal]]. Instances of `Byte` are not
  *  represented by an object in the underlying runtime system.

library/src/scala/Char.scala

@@ -16,6 +16,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** `Char`, a 16-bit unsigned integer (equivalent to Java's `char` primitive type) is a
  *  subtype of [[scala.AnyVal]]. Instances of `Char` are not
  *  represented by an object in the underlying runtime system.

library/src/scala/Console.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 import java.io.{ BufferedReader, InputStream, InputStreamReader, OutputStream, PrintStream, Reader }
 import scala.io.AnsiColor
 import scala.util.DynamicVariable

library/src/scala/DelayedInit.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** Classes and objects (but note, not traits) inheriting the `DelayedInit`
  *  marker trait will have their initialization code rewritten as follows:
  *  `code` becomes `delayedInit(code)`.

library/src/scala/Double.scala

@@ -16,6 +16,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** `Double`, a 64-bit IEEE-754 floating point number (equivalent to Java's `double` primitive type) is a
  *  subtype of [[scala.AnyVal]]. Instances of `Double` are not
  *  represented by an object in the underlying runtime system.

library/src/scala/DummyImplicit.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** A type for which there is always an implicit value. */
 final class DummyImplicit private ()
 

library/src/scala/Dynamic.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** A marker trait that enables dynamic invocations. Instances `x` of this
  *  trait allow method invocations `x.meth(args)` for arbitrary method
  *  names `meth` and argument lists `args` as well as field accesses

library/src/scala/Enumeration.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 import scala.collection.{SpecificIterableFactory, StrictOptimizedIterableOps, View, immutable, mutable}
 import java.lang.reflect.{Field => JField, Method => JMethod}
 

library/src/scala/Equals.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** An interface containing operations for equality.
  *  The only method not already present in class `AnyRef` is `canEqual`.
  */

library/src/scala/Float.scala

@@ -16,6 +16,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** `Float`, a 32-bit IEEE-754 floating point number (equivalent to Java's `float` primitive type) is a
  *  subtype of [[scala.AnyVal]]. Instances of `Float` are not
  *  represented by an object in the underlying runtime system.

library/src/scala/Function.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** A module defining utility methods for higher-order functional programming.
  */
 object Function {

library/src/scala/Function0.scala

@@ -15,6 +15,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 0 parameters.
  *  

library/src/scala/Function1.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 object Function1 {
 

library/src/scala/Function10.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 10 parameters.
  *

library/src/scala/Function11.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 11 parameters.
  *

library/src/scala/Function12.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 12 parameters.
  *

library/src/scala/Function13.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 13 parameters.
  *

library/src/scala/Function14.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 14 parameters.
  *

library/src/scala/Function15.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 15 parameters.
  *

library/src/scala/Function16.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 16 parameters.
  *

library/src/scala/Function17.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 17 parameters.
  *

library/src/scala/Function18.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 18 parameters.
  *

library/src/scala/Function19.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 19 parameters.
  *

library/src/scala/Function2.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 2 parameters.
  *  

library/src/scala/Function20.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 20 parameters.
  *

library/src/scala/Function21.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 21 parameters.
  *

library/src/scala/Function22.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 22 parameters.
  *

library/src/scala/Function3.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 3 parameters.
  *

library/src/scala/Function4.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 4 parameters.
  *

library/src/scala/Function5.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 5 parameters.
  *

library/src/scala/Function6.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 6 parameters.
  *

library/src/scala/Function7.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 7 parameters.
  *

library/src/scala/Function8.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 8 parameters.
  *

library/src/scala/Function9.scala

@@ -14,6 +14,7 @@
 
 package scala
 
+import scala.language.`2.13`
 
 /** A function of 9 parameters.
  *

library/src/scala/Int.scala

@@ -16,6 +16,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** `Int`, a 32-bit signed integer (equivalent to Java's `int` primitive type) is a
  *  subtype of [[scala.AnyVal]]. Instances of `Int` are not
  *  represented by an object in the underlying runtime system.

library/src/scala/Long.scala

@@ -16,6 +16,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** `Long`, a 64-bit signed integer (equivalent to Java's `long` primitive type) is a
  *  subtype of [[scala.AnyVal]]. Instances of `Long` are not
  *  represented by an object in the underlying runtime system.

library/src/scala/MatchError.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** This class implements errors which are thrown whenever an
  *  object doesn't match any pattern of a pattern matching
  *  expression.

library/src/scala/NotImplementedError.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** Throwing this exception can be a temporary replacement for a method
  *  body that remains to be implemented. For instance, the exception is thrown by
  *  `Predef.???`.

library/src/scala/Option.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 object Option {
 
   import scala.language.implicitConversions

library/src/scala/PartialFunction.scala

@@ -12,6 +12,7 @@
 
 package scala
 
+import scala.language.`2.13`
 import scala.annotation.nowarn
 
 /** A partial function of type `PartialFunction[A, B]` is a unary function

library/src/scala/Predef.scala

@@ -12,6 +12,7 @@
 
 package scala
 
+import scala.language.`2.13`
 import scala.language.implicitConversions
 
 import scala.collection.{mutable, immutable, ArrayOps, StringOps}, immutable.WrappedString

library/src/scala/Product.scala

@@ -12,6 +12,8 @@
 
 package scala
 
+import scala.language.`2.13`
+
 /** Base trait for all products, which in the standard library include at
  *  least [[scala.Product1]] through [[scala.Product22]] and therefore also
  *  their subclasses [[scala.Tuple1]] through [[scala.Tuple22]].  In addition,