diff --git a/bin/fidl_bindings_test/test/test/oneway_test.dart b/bin/fidl_bindings_test/test/test/oneway_test.dart
index 13c1dea..e23a69d 100644
--- a/bin/fidl_bindings_test/test/test/oneway_test.dart
+++ b/bin/fidl_bindings_test/test/test/oneway_test.dart
@@ -118,5 +118,12 @@
       expect(received, equals(
         ExampleBits.memberB | ExampleBits.memberC));
     });
+
+    test('bits with no bit set', () async {
+      await server.proxy.oneWayExampleBits(ExampleBits.$none);
+      final received = await server.proxy.receivedOneWayExampleBits();
+      expect(received, equals(
+        ExampleBits.memberB & ExampleBits.memberA /* 0 too */));
+    });
   });
 }
diff --git a/bin/fidl_bindings_test/test/test/tostring_test.dart b/bin/fidl_bindings_test/test/test/tostring_test.dart
index 94e5a6d..649ebde 100644
--- a/bin/fidl_bindings_test/test/test/tostring_test.dart
+++ b/bin/fidl_bindings_test/test/test/tostring_test.dart
@@ -8,6 +8,9 @@
 void main() {
   print('toString-test');
   group('bits', () {
+    test('no bit', () {
+      expect(ExampleBits.$none.toString(), equals(r'ExampleBits.$none'));
+    });
     test('single bit', () {
       expect(ExampleBits.memberC.toString(), equals(r'ExampleBits.memberC'));
     });
diff --git a/bin/fidlgen_dart/backend/templates/bits.tmpl.go b/bin/fidlgen_dart/backend/templates/bits.tmpl.go
index 03d620c..6f06202 100644
--- a/bin/fidlgen_dart/backend/templates/bits.tmpl.go
+++ b/bin/fidlgen_dart/backend/templates/bits.tmpl.go
@@ -17,6 +17,7 @@
   {{- end }}
   static const {{ $.Name }} {{ .Name }} = {{ $.Name }}._({{ .Value }});
 {{- end }}
+  static const {{ .Name }} $none = {{ .Name }}._(0);
 
   const {{ .Name }}._(this.$value);
 
@@ -24,6 +25,10 @@
     return {{ .Name }}._($value | other.$value);
   }
 
+  {{ .Name }} operator &({{ .Name }} other) {
+    return {{ .Name }}._($value & other.$value);
+  }
+
   @override
   final int $value;