add SerdeTarget

Author: 9il

source/mir/serde.d

@@ -65,6 +65,28 @@ version (D_Exceptions)
     }
 }
 
+/++
+Helper enumeration for for serializer .
+Use negative `int` values for user defined targets.
++/
+enum SerdeTarget : int
+{
+    ///
+    ion,
+    ///
+    json,
+    ///
+    cbor,
+    ///
+    msgpack,
+    ///
+    yaml,
+    ///
+    csv,
+    ///
+    excel,
+}
+
 /++
 Attribute for key overloading during Serialization and Deserialization.
 The first argument overloads the key value during serialization unless `serdeKeyOut` is given.