blob: 3424319b5dada99ba1ae49b46feffe7ff55b3efa [file] [log] [blame]
// 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 {
// TODO(nweiz): Stop explicitly providing a type argument when sdk#32412 is
// fixed.
final Iterable<String> variables = const <String>[];
const All();
bool evaluate(bool Function(String variable) semantics) => true;
BooleanSelector intersection(BooleanSelector other) => other;
BooleanSelector union(BooleanSelector other) => this;
void validate(bool Function(String variable) isDefined) {}
String toString() => '<all>';