Binary compatibility silliness

typelevel · Jan 7, 2020 · 47dd8a7 · 47dd8a7
1 parent ccdc687
commit 47dd8a7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/free/src/main/scala/cats/free/FreeT.scala b/free/src/main/scala/cats/free/FreeT.scala
@@ -222,7 +222,8 @@ object FreeT extends FreeTInstances {
 sealed abstract private[free] class FreeTInstances extends FreeTInstances0 {
 
   // retained for binary compatibility. its results are incorrect though and it would fail the laws if we generated things of the form pure(()).flatMap(_ => fa)
-  private[this] def catsFreeMonadErrorForFreeT[S[_], M[_], E](
+  @deprecated("does not handle errors beyond the head suspension; use catsFreeMonadErrorForFreeT2", "2.1.0")
+  def catsFreeMonadErrorForFreeT[S[_], M[_], E](
     implicit E: MonadError[M, E]
   ): MonadError[FreeT[S, M, *], E] =
     new MonadError[FreeT[S, M, *], E] with FreeTMonad[S, M] {