Mark Zhou
6872707aa6
Our previous visitor was manually implemented. Extending the recursive visitor instead helps us be more robust to future CFE updates. Fixes #51802 Change-Id: I9efebdf28fdf9146c2d1f948e01363a77807aa16 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/290280 Reviewed-by: Nicholas Shahan <nshahan@google.com> Commit-Queue: Mark Zhou <markzipan@google.com>
41 lines
1.1 KiB
Dart
41 lines
1.1 KiB
Dart
// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'package:expect/expect.dart';
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enum Color { red, green, blue }
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enum Taste { sweet, sour, salty, bitter, umami }
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void main() {
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Expect.equals(getValue(Taste.sweet, Color.blue), 1);
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Expect.equals(getValue(Taste.bitter, Color.blue), 1);
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Expect.equals(getValue(Taste.salty, Color.red), 2);
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Expect.equals(getValue(Taste.salty, Color.blue), 4);
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Expect.equals(getValue(Taste.salty, Color.green), 3);
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Expect.equals(getValue(Taste.umami, Color.red), 4);
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}
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int getValue(Taste taste, Color color) {
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switch (taste) {
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case Taste.sweet:
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case Taste.sour:
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case Taste.bitter:
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return 1;
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case Taste.salty:
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switch (color) {
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case Color.red:
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return 2;
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case Color.blue:
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continue LABEL;
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case Color.green:
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return 3;
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}
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throw Exception('Invalid state.');
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LABEL:
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case Taste.umami:
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return 4;
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}
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}
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