Jakub Kozłowski – Irresistible party tricks with cats-tagless


Are you writing an effect-polymorphic code? Want to ease some of the pains involved? Say no more: this is the talk for you.

Meet cats-tagless: a library full of goodness that helps F[_] fans achieve goals faster and with less code.

We will go through the most interesting type classes in cats-tagless, as well as ways to derive their instances for your algebras. We’ll also see some highly practical patterns of using it in a real codebase.

In the end, if you’ve been writing effect-polymorphic code in Scala without the library, you won’t be able to resist the temptation to use it in every upcoming project!


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