Make TupledFunction experimental

Author: nicolasstucki

library/src-bootstrapped/scala/runtime/TupledFunctions.scala

@@ -1,7 +1,9 @@
 package scala.runtime
 
 import scala.util.TupledFunction
+import scala.annotation.experimental
 
+@experimental
 object TupledFunctions {
 
   def tupledFunction0[F, G]: TupledFunction[F, G] = TupledFunction[F, G](

library/src/scala/util/TupledFunction.scala

@@ -1,17 +1,20 @@
 package scala.util
 
 import scala.annotation.implicitNotFound
+import scala.annotation.experimental
 
 /** Type class relating a `FunctionN[..., R]` with an equivalent tupled function `Function1[TupleN[...], R]`
  *
  *  @tparam F a function type
  *  @tparam G a tupled function type (function of arity 1 receiving a tuple as argument)
  */
 @implicitNotFound("${F} cannot be tupled as ${G}")
+@experimental
 sealed trait TupledFunction[F, G]:
   def tupled(f: F): G
   def untupled(g: G): F
 
+@experimental
 private[scala] object TupledFunction:
   def apply[F, G](tupledImpl: F => G, untupledImpl: G => F): TupledFunction[F, G] =
     new TupledFunction[F, G]:

project/MiMaFilters.scala

@@ -3,7 +3,7 @@ import com.typesafe.tools.mima.core._
 
 object MiMaFilters {
   val Library: Seq[ProblemFilter] = Seq(
-    // Experimental APIs that can be added in 3.2.0
+    // Experimental APIs that can be added in 3.2.0 or later
     ProblemFilters.exclude[DirectMissingMethodProblem]("scala.runtime.Tuples.append"),
     ProblemFilters.exclude[ReversedMissingMethodProblem]("scala.quoted.Quotes#reflectModule#TypeReprMethods.substituteTypes"),
     ProblemFilters.exclude[DirectMissingMethodProblem]("scala.quoted.Quotes#reflectModule#TypeReprMethods.substituteTypes"),
@@ -18,6 +18,12 @@ object MiMaFilters {
     ProblemFilters.exclude[ReversedMissingMethodProblem]("scala.quoted.Quotes#reflectModule#CompilationInfoModule.XmacroSettings"),
     ProblemFilters.exclude[DirectMissingMethodProblem]("scala.quoted.Quotes#reflectModule#CompilationInfoModule.XmacroSettings"),
 
+    // TupledFunction
+    ProblemFilters.exclude[MissingClassProblem]("scala.runtime.TupledFunctions"),
+    ProblemFilters.exclude[MissingClassProblem]("scala.runtime.TupledFunctions$"),
+    ProblemFilters.exclude[MissingClassProblem]("scala.util.TupledFunction"),
+    ProblemFilters.exclude[MissingClassProblem]("scala.util.TupledFunction$"),
+
     // Private to the compiler - needed for forward binary compatibility
     ProblemFilters.exclude[MissingClassProblem]("scala.annotation.since")
   )