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Diffstat (limited to 'examples/shared/src/main/scala/show.scala')
-rw-r--r-- | examples/shared/src/main/scala/show.scala | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/examples/shared/src/main/scala/show.scala b/examples/shared/src/main/scala/show.scala index 50b34ee..9f634ba 100644 --- a/examples/shared/src/main/scala/show.scala +++ b/examples/shared/src/main/scala/show.scala @@ -60,4 +60,10 @@ object Show extends GenericShow[String] { implicit val int: Show[String, Int] = new Show[String, Int] { def show(s: Int): String = s.toString } + + /** show typeclass for sequences */ + implicit def seq[A](implicit A: Show[String, A]): Show[String, Seq[A]] = + new Show[String, Seq[A]] { + def show(as: Seq[A]): String = as.iterator.map(A.show).mkString("[", ",", "]") + } } |