Scala 2.13 deprecates language.higherKinds so make it a flag for 2.12 (…

…#571)
mohiva · Dec 18, 2019 · 12976ca · 12976ca
1 parent 78bea55
commit 12976ca
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diff --git a/project/BuildSettings.scala b/project/BuildSettings.scala
@@ -48,6 +48,7 @@ object BasicSettings extends AutoPlugin {
     ),
     scalacOptions ++= {
       if(Util.priorTo213(scalaVersion.value)) Seq(
+        "-language:higherKinds",
         "-Ywarn-adapted-args",    // Warn if an argument list is modified to match the receiver.
         "-Ywarn-nullary-override" // Warn when non-nullary overrides nullary, e.g. def foo() over def foo.
       ) else Nil

diff --git a/silhouette/app/com/mohiva/play/silhouette/api/RequestHandler.scala b/silhouette/app/com/mohiva/play/silhouette/api/RequestHandler.scala
@@ -24,7 +24,6 @@ import com.mohiva.play.silhouette.api.util.ExecutionContextProvider
 import play.api.mvc.{ Result, RequestHeader, Request, AnyContent }
 
 import scala.concurrent.Future
-import scala.language.higherKinds
 
 /**
  * A result which can transport a result as also additional data through the request handler process.