Index: lib/src/all.dart |
diff --git a/lib/src/all.dart b/lib/src/all.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e15230b37265f8ed3e24650256ceebbfae4ab9ba |
--- /dev/null |
+++ b/lib/src/all.dart |
@@ -0,0 +1,22 @@ |
+// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+ |
+import '../boolean_selector.dart'; |
+ |
+/// A selector that matches all inputs. |
+class All implements BooleanSelector { |
+ final variables = const []; |
+ |
+ const All(); |
+ |
+ bool evaluate(semantics) => true; |
+ |
+ BooleanSelector intersection(BooleanSelector other) => other; |
+ |
+ BooleanSelector union(BooleanSelector other) => this; |
+ |
+ void validate(bool isDefined(String variable)) {} |
+ |
+ String toString() => "<all>"; |
+} |