モナドについて勉強していて見つけた英語記事を翻訳してみました。 誤訳等あれば編集リクエストやコメントください 原文: Functors, Applicatives, And Monads In Pictures - adit.io ここに単純な値(value)があります。
![箱で考えるFunctor、ApplicativeそしてMonad](https://cdn-ak-scissors.b.st-hatena.com/image/square/918b0fcb16592dc435bfa9f91ee1c2ee923ba1f6/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9JUU3JUFFJUIxJUUzJTgxJUE3JUU4JTgwJTgzJUUzJTgxJTg4JUUzJTgyJThCRnVuY3RvciVFMyU4MCU4MUFwcGxpY2F0aXZlJUUzJTgxJTlEJUUzJTgxJTk3JUUzJTgxJUE2TW9uYWQmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT01NiZ0eHQtY2xpcD1lbGxpcHNpcyZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPWE3ODE0ZmU4ZDI4MzhmYzQwNzQxZWNlOGNkZWIxMGU2%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwc3VpbiZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9NGFlNjk2NWUyOWFiNjg4MmRlNmViY2E4NDc2NWMxMjA%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3D0b36f8f7190d85595dde11d54f2446ca)
Written April 17, 2013 updated: May 20, 2013 Here's a simple value: And we know how to apply a function to this value: Simple enough. Lets extend this by saying that any value can be in a context. For now you can think of a context as a box that you can put a value in: Now when you apply a function to this value, you'll get different results depending on the context. This is the idea that Functors
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