232. Implement Queue using Stacks#79
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| def _fill_retrievable(self): | ||
| while self.store: | ||
| self.retrievable.append(self.store.pop()) | ||
| return |
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好みかもしれませんが、このreturnは一般的には書かない場合が多いのではないかと思います。
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| def push(self, x: int) -> None: | ||
| self.store.append(x) | ||
| return |
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こちらのreturnも個人的には少し気になりました。型が -> None で明示されているので書いたのかなと思ったのですが、そうすると、一応_から始まるprivate的な扱いではありますが_fill_retrievable()にも型がある方がよいかも?などと少し気になったりしました。
致命的な問題があるということではありません。実務上では、チームの規約などによると思います。private的なものには型定義をあまりつけないという判断もあると思います。
趣味の範囲かもしれません。
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| def __init__(self): | ||
| self.store = [] | ||
| self.retrievable = [] |
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...ableという変数名はboolであることを期待させるように思います。また、意味的にも、storeもretrievableもどちらもstoreされた値ではあるので、
storeはunprocessedとかtemporaryみたいなもの、
retrievableはprocessedみたいなもの、
ぐらいが良いのかなと思いました。
(あとで出てくるif retrievableというのを見て、取得可能かどうかという風に読んで、間違ってはいないのですが、少し違和感がありました)
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https://leetcode.com/problems/implement-queue-using-stacks/description/