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A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x
These are my rough notes when preparing for a Haskell livestream that I
thought would be worth sharing. Some things are general comments on
contributing to the open source ecosystem whereas other notes are specific
to the stream (e.g. Haskell and the streamly package)
How things look from a maintainer's point of view (for highly active projects):
As projects become more active the maintainer's "inbox" gets pretty large. A