kadai3-1 yoheimiyamoto #46
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yoheimiyamoto
commented
Nov 25, 2018
yoheimiyamoto
commented
- 標準出力に英単語を出す（出すものは自由）
- 標準入力から1行受け取る
- 制限時間内に何問解けたか表示する
mizkei
reviewed
Nov 26, 2018
| // words -> 出題するワード一覧 | ||
| func Play(r io.Reader, w io.Writer, words []string) { | ||
| inputCh := make(chan string) | ||
| inputDone := make(chan struct{}, 1) |
| } | ||
| close(inputDone) // inputのチャネルを閉じる | ||
| fmt.Fprintln(w, "タイムアウト。ゲーム終了") | ||
| fmt.Println(s.Result()) |
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ここまで w io.Writer にのみ利用してきているので、ここも os.Stdout ではなく w に書き込んだほうがテストしやすさ的にも良いと思います
| fmt.Fprintln(w, "不正解！") | ||
| s.addIncorrect() | ||
| } | ||
| case <-time.After(5 * time.Second): |
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一つのワード入力の 制限時間5秒 であるならばよいのですが、ゲーム自体の制限時間であれば、このforの外で time.After を実行しておかないとforに入るたびに5秒からカウントしてしまいます
| } | ||
| }() | ||
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| // 上記を以下のようにgoroutine使わずに記述するとゲームがフリーズしてしまう理由が理解できていないです。 |
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doneがcloseされるまでブロックすることになるので、inputの実行箇所でとまることになります
| }() | ||
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| // ゲームが終了した場合、inputも終了させる。 | ||
| go func() { |
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goroutineとして実行しているので、この処理自体ほとんど意味がなさそうです
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