Initial cut for a development server

test/codegen/dir/html_input_d.dart

Index: test/codegen/dir/html_input_d.dart
diff --git a/test/codegen/dir/html_input_d.dart b/test/codegen/dir/html_input_d.dart
index a3bd8be6f3e0e6fabde4367480807aff2f0e980a..e917cc2dab1d5739de961133dd4ec0fef3536afc 100644
--- a/test/codegen/dir/html_input_d.dart
+++ b/test/codegen/dir/html_input_d.dart
@@ -4,11 +4,14 @@
 
 library html_input_d;
 
-int fib(int n) => _fib(n, new Map<int, int>());
-
-int _fib(int n, Map<int, int> seen) {
-  if (n == 0 || n == 1) return 1;
-  if (seen[n] != null) return seen[n];
-  seen[n] = _fib(n - 1, seen) + _fib(n - 2, seen);
-  return seen[n];
-}
+int fib(int n) => n == 0 || n == 1 ? 1 : fib(n - 1) + fib(n - 2);
+
+// TODO(sigmund): uncomment once core.Map is supported.
+//int fib(int n) => _fib(n, new Map<int, int>());
+
+//int _fib(int n, Map<int, int> seen) {
+//  if (n == 0 || n == 1) return 1;
+//  if (seen[n] != null) return seen[n];
+//  seen[n] = _fib(n - 1, seen) + _fib(n - 2, seen);
+//  return seen[n];
+//}