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A list is a monad

(alexyorke.github.io)
153 points polygot | 1 comments | 29 Jun 25 17:53 UTC | HN request time: 0s | source
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drumnerd ◴[02 Jul 25 19:12 UTC] No.44447662[source]▶
A monad is not a container! It’s a way of composing functions if they have an effect. You tell how to inject a value in that effect (unit) and how to compose two functions that have that effect and that’s it: programmable semicolons.
replies(2): >>44448074 #>>44448492 #
1. mrkeen ◴[02 Jul 25 19:52 UTC] No.44448074[source]▶
And in the article's case, 'have an effect' means 'be a list'.