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-rw-r--r--src/main/scala/cc/spray/json/JsonFormat.scala6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/main/scala/cc/spray/json/JsonFormat.scala b/src/main/scala/cc/spray/json/JsonFormat.scala
index c5bc53e..01b9f80 100644
--- a/src/main/scala/cc/spray/json/JsonFormat.scala
+++ b/src/main/scala/cc/spray/json/JsonFormat.scala
@@ -51,3 +51,9 @@ object JsonWriter {
* Provides the JSON deserialization and serialization for type T.
*/
trait JsonFormat[T] extends JsonReader[T] with JsonWriter[T]
+
+/**
+ * A special JsonFormat signaling that the format produces a legal JSON root object, i.e. either a JSON array
+ * or a JSON object.
+ */
+trait RootJsonFormat[T] extends JsonFormat[T] \ No newline at end of file