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Fun thing about #Haskell relation to #CategoryTheory. Function composition have almost similar notation, order and process.

Example:

a . b means "a after b"

a ○ b means "a after b"

It makes it a lot easier to understand and remember, what is order of elements in functions composition 😁

Stéphane Bortzmeyer@bortzmeyer@mastodon.gougere.fr@alexcleac Once you think of (a.b)(x) as a(b(x)), it's easier.