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

Author: hamzaremmal

library/src/scala/annotation/Annotation.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /**
  * A base class for annotations.
  *

library/src/scala/annotation/ClassfileAnnotation.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** A base class for classfile annotations. These are stored as
  *  [[https://docs.oracle.com/javase/8/docs/technotes/guides/language/annotations.html Java annotations]]
  *  in classfiles.

library/src/scala/annotation/ConstantAnnotation.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /**
  * Annotation classes extending this trait only accept constant values as arguments.
  *

library/src/scala/annotation/StaticAnnotation.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /**
  * A base class for static annotations. These are available to the Scala type checker or Scala
  * reflection, even across different compilation units.

library/src/scala/annotation/TypeConstraint.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** A marker for annotations that, when applied to a type, should be treated
  *  as a constraint on the annotated type.
  *

library/src/scala/annotation/compileTimeOnly.scala

@@ -12,6 +12,7 @@
 
 package scala.annotation
 
+import scala.language.`2`
 import scala.annotation.meta._
 
 /**

library/src/scala/annotation/elidable.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** An annotation for methods whose bodies may be excluded
  *  from compiler-generated bytecode.
  *

library/src/scala/annotation/implicitAmbiguous.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /**
   * To customize the error message that's emitted when an implicit search finds
   * multiple ambiguous values, annotate at least one of the implicit values

library/src/scala/annotation/implicitNotFound.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /**
  * To customize the error message that's emitted when an implicit of type
  * `C[T1,..., TN]` cannot be found, annotate the class `C` with `@implicitNotFound`.

library/src/scala/annotation/meta/beanGetter.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * Consult the documentation in package [[scala.annotation.meta]].
  */

library/src/scala/annotation/meta/beanSetter.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * Consult the documentation in package [[scala.annotation.meta]].
  */

library/src/scala/annotation/meta/companionClass.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * When defining an implicit class, the Scala compiler creates an implicit
  * conversion method for it. Annotations `@companionClass` and `@companionMethod`

library/src/scala/annotation/meta/companionMethod.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * When defining an implicit class, the Scala compiler creates an implicit
  * conversion method for it. Annotations `@companionClass` and `@companionMethod`

library/src/scala/annotation/meta/companionObject.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * Currently unused; intended as an annotation target for classes such as case classes
  * that automatically generate a companion object

library/src/scala/annotation/meta/defaultArg.scala

@@ -13,6 +13,8 @@
 package scala.annotation
 package meta
 
+import scala.language.`2`
+
 /**
  * This internal meta annotation is used by the compiler to support default annotation arguments.
  *

library/src/scala/annotation/meta/field.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * Consult the documentation in package [[scala.annotation.meta]].
  */

library/src/scala/annotation/meta/getter.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * Consult the documentation in package [[scala.annotation.meta]].
  */

library/src/scala/annotation/meta/languageFeature.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * An annotation giving particulars for a language feature in object `scala.language`.
  */

library/src/scala/annotation/meta/package.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /**
  * When defining a field, the Scala compiler creates up to four accessors
  * for it: a getter, a setter, and if the field is annotated with

library/src/scala/annotation/meta/param.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * Consult the documentation in package [[scala.annotation.meta]].
  */

library/src/scala/annotation/meta/setter.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.meta
 
+import scala.language.`2`
+
 /**
  * Consult the documentation in package [[scala.annotation.meta]].
  */

library/src/scala/annotation/meta/superArg.scala

@@ -13,6 +13,8 @@
 package scala.annotation
 package meta
 
+import scala.language.`2`
+
 /**
  * This internal annotation encodes arguments passed to annotation superclasses. Example:
  *

library/src/scala/annotation/migration.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /**
  * An annotation that marks a member as having changed semantics
  * between versions.  This is intended for methods which for one

library/src/scala/annotation/nowarn.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** An annotation for local warning suppression.
   *
   * The optional `value` parameter allows selectively silencing messages. See `-Wconf:help` for help

library/src/scala/annotation/showAsInfix.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /**
  * This annotation configures how Scala prints two-parameter generic types.
   *

library/src/scala/annotation/strictfp.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** If this annotation is present on a method or its enclosing class,
  *  the strictfp flag will be emitted.
  */

library/src/scala/annotation/switch.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** An annotation to be applied to a match expression.  If present,
  *  the compiler will verify that the match has been compiled to a
  *  [[https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-3.html#jvms-3.10 tableswitch or lookupswitch]]

library/src/scala/annotation/tailrec.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** A method annotation which verifies that the method will be compiled
  *  with tail call optimization.
  *

library/src/scala/annotation/unchecked/uncheckedStable.scala

@@ -12,6 +12,7 @@
 
 package scala.annotation.unchecked
 
+import scala.language.`2`
 import scala.annotation.meta.{field, getter}
 
 /** An annotation for values that are assumed to be stable even though their

library/src/scala/annotation/unchecked/uncheckedVariance.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation.unchecked
 
+import scala.language.`2`
+
 /** An annotation for type arguments for which one wants to suppress variance checking.
  */
 final class uncheckedVariance extends scala.annotation.StaticAnnotation {}

library/src/scala/annotation/unspecialized.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** A method annotation which suppresses the creation of
  *  additional specialized forms based on enclosing specialized
  *  type parameters.

library/src/scala/annotation/unused.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** Mark an element unused for a given context.
  *
  *  Unused warnings are suppressed for elements known to be unused.

library/src/scala/annotation/varargs.scala

@@ -12,6 +12,8 @@
 
 package scala.annotation
 
+import scala.language.`2`
+
 /** A method annotation which instructs the compiler to generate a
  *  Java varargs-style forwarder method for interop. This annotation can
  *  only be applied to methods with repeated parameters.