Jon Pretty: Batshit Crazy Algebra with Types

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Batshit Crazy Algebra with Types

with

Jon Pretty

What would it mean to "add" or "multiply" types like Boolean and List[Int]? Would you think me mad if I applied the quadratic formula to a type, expanded its power series, then tried to justify using this to count binary trees? And what interpretation could I possibly attribute to differentiating types, and what's this got to do with zippers? I'll leave my mathematical rigour at home, and go a bit wild with types and algebra. And hopefully show that doing crazy algebraic stuff with types can actually throw up some surprising and useful results!

We will, as always, also be heading to the Slaughtered Lamb (http://www.theslaughteredlambpub.com/) pub afterwards.

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