From b5d7e0eaac2875405ce48c65906a03caacd9c2a6 Mon Sep 17 00:00:00 2001
From: Yang Bo <atryyang@thoughtworks.com>
Date: Sun, 23 Jun 2019 00:21:54 -0700
Subject: [PATCH] Use lambda for SAM type class

---
 .../com/thoughtworks/dsl/domains/cats.scala   | 62 +++++++++----------
 1 file changed, 30 insertions(+), 32 deletions(-)

diff --git a/domains-cats/src/main/scala/com/thoughtworks/dsl/domains/cats.scala b/domains-cats/src/main/scala/com/thoughtworks/dsl/domains/cats.scala
index 270f8096..7c3c6761 100644
--- a/domains-cats/src/main/scala/com/thoughtworks/dsl/domains/cats.scala
+++ b/domains-cats/src/main/scala/com/thoughtworks/dsl/domains/cats.scala
@@ -123,44 +123,42 @@ object cats {
     }
   }
 
-  implicit def catsTryFinally[F[_], A, B](implicit monadError: MonadThrowable[F]): TryFinally[A, F[B], F[A], F[Unit]] =
-    new TryFinally[A, F[B], F[A], F[Unit]] {
-      def tryFinally(block: F[A] !! A, finalizer: F[Unit] !! Unit, outerSuccessHandler: A => F[B]): F[B] = {
-        @inline
-        def injectFinalizer[A](f: Unit => F[A]): F[A] = {
-          monadError.flatMap(catchNativeException(finalizer))(f)
+  implicit def catsTryFinally[F[_], A, B](
+      implicit monadError: MonadThrowable[F]): TryFinally[A, F[B], F[A], F[Unit]] = {
+    (block: F[A] !! A, finalizer: F[Unit] !! Unit, outerSuccessHandler: A => F[B]) =>
+      @inline
+      def injectFinalizer[A](f: Unit => F[A]): F[A] = {
+        monadError.flatMap(catchNativeException(finalizer))(f)
+      }
+
+      monadError.flatMap(monadError.handleErrorWith(catchNativeException(block)) { e: Throwable =>
+        injectFinalizer { _: Unit =>
+          monadError.raiseError(e)
         }
-        monadError.flatMap(monadError.handleErrorWith(catchNativeException(block)) { e: Throwable =>
-          injectFinalizer { _: Unit =>
-            monadError.raiseError(e)
-          }
-        }) { a =>
-          injectFinalizer { _: Unit =>
-            outerSuccessHandler(a)
-          }
+      }) { a =>
+        injectFinalizer { _: Unit =>
+          outerSuccessHandler(a)
         }
       }
-    }
+  }
 
-  implicit def catsTryCatch[F[_], A, B](implicit monadError: MonadThrowable[F]): TryCatch[A, F[B], F[A]] =
-    new TryCatch[A, F[B], F[A]] {
-      def tryCatch(block: F[A] !! A, catcher: Catcher[F[A] !! A], outerSuccessHandler: A => F[B]): F[B] = {
-        def errorHandler(e: Throwable): F[A] = {
-          (try {
-            catcher.lift(e)
-          } catch {
-            case NonFatal(extractorException) =>
-              return monadError.raiseError(extractorException)
-          }) match {
-            case None =>
-              monadError.raiseError(e)
-            case Some(recovered) =>
-              catchNativeException(recovered)
-          }
+  implicit def catsTryCatch[F[_], A, B](implicit monadError: MonadThrowable[F]): TryCatch[A, F[B], F[A]] = {
+    (block: F[A] !! A, catcher: Catcher[F[A] !! A], outerSuccessHandler: A => F[B]) =>
+      def errorHandler(e: Throwable): F[A] = {
+        (try {
+          catcher.lift(e)
+        } catch {
+          case NonFatal(extractorException) =>
+            return monadError.raiseError(extractorException)
+        }) match {
+          case None =>
+            monadError.raiseError(e)
+          case Some(recovered) =>
+            catchNativeException(recovered)
         }
-        monadError.flatMap(monadError.handleErrorWith(catchNativeException(block))(errorHandler))(outerSuccessHandler)
       }
-    }
+      monadError.flatMap(monadError.handleErrorWith(catchNativeException(block))(errorHandler))(outerSuccessHandler)
+  }
 
   private[dsl] def catsCatchDsl[F[_], A, B](implicit monadError: MonadThrowable[F]): CatchDsl[F[A], F[B], A] = {
     (block: F[A] !! A, catcher: Catcher[F[A] !! A], handler: A => F[B]) =>