add type annotations to Dart benchmark

frameworks/Dart/dart/server.dart

@@ -13,7 +13,7 @@ import 'package:yaml/yaml.dart' as yaml;
 /// address and port for incoming connections is configurable via command line
 /// arguments, as is the number of database connections to be maintained in the
 /// connection pool.
-main(List<String> args) {
+void main(List<String> args) {
   var parser = new ArgParser();
   parser.addOption('address', abbr: 'a', defaultsTo: '0.0.0.0');
   parser.addOption('port', abbr: 'p', defaultsTo: '8080');
@@ -32,7 +32,7 @@ main(List<String> args) {
       });
 }
 
-void startInIsolate(args) {
+void startInIsolate(List args) {
   var ref = args[0];
   var dbConnections = args[1];
   ref.create().then((server) {
@@ -58,7 +58,7 @@ class Fortune implements Comparable<Fortune> {
 
   Fortune(this.id, this.message);
 
-  compareTo(Fortune other) => message.compareTo(other.message);
+  int compareTo(Fortune other) => message.compareTo(other.message);
 }
 
 /// The number of rows in the world entity table.
@@ -69,15 +69,15 @@ final _RANDOM = new Random();
 
 /// The PostgreSQL connection pool used by all the tests that require database
 /// connectivity.
-var _connectionPool;
+pgpool.Pool _connectionPool;
 
 /// The mustache template which is rendered in the fortunes test.
-var _fortunesTemplate;
+mustache.Template _fortunesTemplate;
 
 /// Starts a benchmark server, which listens for connections from
 /// '[address] : [port]' and maintains [dbConnections] connections to the
 /// database.
-_startServer(serverSocket, dbConnections) {
+void _startServer(serverSocket, dbConnections) {
   Future.wait([
     new File('postgresql.yaml').readAsString().then((config) {
       _connectionPool = new pgpool.Pool(
@@ -124,12 +124,12 @@ _startServer(serverSocket, dbConnections) {
 /// Returns the given [text] parsed as a base 10 integer.  If the text is null
 /// or is an otherwise invalid representation of a base 10 integer, zero is
 /// returned.
-_parseInt(text) =>
+int _parseInt(String text) =>
     (text == null) ? 0 : int.parse(text, radix: 10, onError: ((_) => 0));
 
 /// Completes the given [request] by writing the [response] with the given
 /// [statusCode] and [type].
-_sendResponse(request, statusCode, [ type, response ]) {
+void _sendResponse(HttpRequest request, int statusCode, [ type, response ]) {
   request.response.statusCode = statusCode;
   request.response.headers.date = new DateTime.now();
   if (type != null) {
@@ -146,27 +146,27 @@ _sendResponse(request, statusCode, [ type, response ]) {
 }
 
 /// Completes the given [request] by writing the [response] as HTML.
-_sendHtml(request, response) {
+void _sendHtml(HttpRequest request, String response) {
   _sendResponse(request, HttpStatus.OK, ContentType.HTML, response);
 }
 
 /// Completes the given [request] by writing the [response] as JSON.
-_sendJson(request, response) {
+void _sendJson(HttpRequest request, Object response) {
   _sendResponse(
       request, HttpStatus.OK, ContentType.JSON, JSON.encode(response));
 }
 
 /// Completes the given [request] by writing the [response] as plain text.
-_sendText(request, response) {
+void _sendText(HttpRequest request, String response) {
   _sendResponse(request, HttpStatus.OK, ContentType.TEXT, response);
 }
 
 /// Responds with the JSON test to the [request].
-_jsonTest(request) {
+void _jsonTest(HttpRequest request) {
   _sendJson(request, { 'message': 'Hello, World!' });
 }
 
-_queryRandom() {
+Future<World> _queryRandom() {
   return _connectionPool.connect()
       .then((connection) {
         return connection.query(
@@ -182,12 +182,12 @@ _queryRandom() {
 }
 
 /// Responds with the database query test to the [request].
-_dbTest(request) {
+void _dbTest(HttpRequest request) {
   _queryRandom().then((response) => _sendJson(request, response));
 }
 
 /// Responds with the database queries test to the [request].
-_queriesTest(request) {
+void _queriesTest(HttpRequest request) {
   var queries = _parseInt(request.uri.queryParameters['queries']).clamp(1, 500);
   Future.wait(new List.generate(queries,
                                 (_) => _queryRandom(),
@@ -196,7 +196,7 @@ _queriesTest(request) {
 }
 
 /// Responds with the fortunes test to the [request].
-_fortunesTest(request) {
+void _fortunesTest(HttpRequest request) {
   _connectionPool.connect().then((connection) {
     return connection.query('SELECT id, message FROM fortune;')
         .map((row) => new Fortune(row[0], row[1]))
@@ -214,7 +214,7 @@ _fortunesTest(request) {
 }
 
 /// Responds with the updates test to the [request].
-_updatesTest(request) {
+void _updatesTest(HttpRequest request) {
   var queries = _parseInt(request.uri.queryParameters['queries']).clamp(1, 500);
   Future.wait(new List.generate(queries, (_) {
     return _queryRandom()
@@ -232,6 +232,6 @@ _updatesTest(request) {
 }
 
 /// Responds with the plaintext test to the [request].
-_plaintextTest(request) {
+void _plaintextTest(HttpRequest request) {
   _sendText(request, 'Hello, World!');
 }