This was awesome, and hilarious: "This is where fmap comes in. fmap is from the street, fmap is hip to contexts. fmap knows how to apply functions to values that are wrapped in a context. For example, suppose you want to apply (+3) to Just 2."
thank you for sharing!
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I think this is easier to explain with pictures? LOL. But I can't draw 😢
There's this article with pictures: adit.io/posts/2013-04-17-functors,... :smile:
This was awesome, and hilarious: "This is where fmap comes in. fmap is from the street, fmap is hip to contexts. fmap knows how to apply functions to values that are wrapped in a context. For example, suppose you want to apply (+3) to Just 2."
thank you for sharing!