make Unapply serializable

typelevel · Mar 1, 2016 · 494d850 · 494d850
1 parent ee9a6af
commit 494d850
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/core/src/main/scala/cats/Unapply.scala b/core/src/main/scala/cats/Unapply.scala
@@ -13,7 +13,7 @@ package cats
  * Functor for Map[A,?] for any A, and for Either[A,?] for any A,
  * however the Scala compiler will not find them without some coercing.
  */
-trait Unapply[TC[_[_]], MA] {
+trait Unapply[TC[_[_]], MA] extends Serializable {
   // a type constructor which is properly kinded for the type class
   type M[_]
   // the type applied to the type constructor to make an MA

diff --git a/tests/src/test/scala/cats/tests/UnapplyTests.scala b/tests/src/test/scala/cats/tests/UnapplyTests.scala
@@ -2,6 +2,7 @@ package cats
 package tests
 
 import cats.data._
+import cats.laws.discipline.SerializableTests
 
 // the things we assert here are not so much important, what is
 // important is that this stuff compiles at all.
@@ -26,4 +27,6 @@ class UnapplyTests extends CatsSuite {
     z should be (List(Option((1,3)), Option((1,4)),
                       Option((2,3)), Option((2,4))))
   }
+
+  checkAll("Unapply[Functor, Option[String]]", SerializableTests.serializable(Unapply[Functor, Option[String]]))
 }