March 2023
Intermediate to advanced
384 pages
5h 30m
Japanese
Content preview from ロバストPython ―クリーンで保守しやすいコードを書く
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
6章型チェッカのカスタマイズ
型チェッカは、ロバストなコードベースを構築する最良のツールの1つだ。mypyのリード開発者であるユッカ・レフトサロは型チェッカの定義を簡潔に述べた。「本質的に型チェッカとは検証済みドキュメントをもたらすものだ†1」。型アノテーションは、コードベースに関するドキュメントを提供し、他の開発者が作者の意図を推論できるようにする。型チェッカは、型アノテーションを使ってドキュメントが振る舞いと一致するかどうかを検証する。
[†1] Jukka Lehtosalo. “Our Journey to Type Checking 4 Million Lines of Python.” Dropbox.Tech (blog). Dropbox, September 5, 2019. https://dropbox.tech/application/our-journey-to-type-checking-4-million-lines-of-python
そのような存在として、型チェッカは貴重だ。子の曰わく、「工、其の事を善くせんと欲すれば、必らず先ず其の器を利くす」（職人が自分の仕事をうまくやろうとすれば、きっとまずその道具を研ぐものだ）†2。この章は、型チェッカを利くすることに関するすべてを扱う。優れたコーディングテクニックは大幅な前進を可能にするが、次のレベルに進めるようにしてくれるのは周辺のツールだ。エディタ、インタプリタ、OSを学ぶだけに留まらず、型チェッカも学ばなければならない。この章では、ツールから最大限の力を引き出すために役立つオプションを示す。
[†2] Confucius and Arthur Waley. The Analects ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.