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21 lines
563 B
Dart
21 lines
563 B
Dart
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// Copyright 2016 Google Inc. Use of this source code is governed by an
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// MIT-style license that can be found in the LICENSE file or at
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// https://opensource.org/licenses/MIT.
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import '../value.dart';
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class Boolean extends Value {
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static const sassTrue = const Boolean._(true);
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static const sassFalse = const Boolean._(false);
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final bool value;
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factory Boolean(bool value) => value ? Boolean.sassTrue : Boolean.sassFalse;
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const Boolean._(this.value);
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Value unaryNot() => value ? sassFalse : sassTrue;
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String toString() => value.toString();
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}
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