lint: use double quotes in all imports

lib/serializers.dart

@@ -1 +1,2 @@
+export "src/serializers/cbor.dart" show CBORSerializer;
 export "src/serializers/json.dart" show JsonSerializer;

lib/src/serializers/cbor.dart

@@ -0,0 +1,23 @@
+import "dart:typed_data";
+
+import "package:cbor/simple.dart";
+import "package:wampproto/src/messages/message.dart";
+import "package:wampproto/src/serializers/serializer.dart";
+
+class CBORSerializer implements Serializer {
+  @override
+  Uint8List serialize(Message message) {
+    final encoded = cbor.encode(message.marshal());
+    return Uint8List.fromList(encoded);
+  }
+
+  @override
+  Message deserialize(Uint8List message) {
+    final decoded = cbor.decode(message);
+    if (decoded is! List) {
+      throw "bad type";
+    }
+
+    return toMessage(decoded);
+  }
+}

pubspec.yaml

@@ -8,7 +8,7 @@ environment:
 
 # Add regular dependencies here.
 dependencies:
-  # path: ^1.8.0
+  cbor: ^6.2.0
 
 dev_dependencies:
   lints: ^3.0.0

test/serializers/cbor_test.dart

@@ -0,0 +1,24 @@
+import "package:test/test.dart";
+import "package:wampproto/messages.dart";
+import "package:wampproto/serializers.dart";
+
+void main() {
+  test("test serialize and deserialize", testCBOR);
+}
+
+void testCBOR() {
+  var hello = Hello.parse([1, "realm1"]);
+
+  var serializer = CBORSerializer();
+  var data = serializer.serialize(hello);
+
+  var obj = serializer.deserialize(data);
+  if (obj.messageType() != 1) {
+    fail("message");
+  }
+
+  var deserialized = obj as Hello;
+
+  expect(hello.realm, deserialized.realm);
+  expect(hello.messageType(), deserialized.messageType());
+}