http4s: Pure, Typeful, Functional HTTP in Scala

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http4s embraces cats.data.Kleisli for service definitions and fs2.Stream for payload processing.

With its foundation on these simple types, we’ll take a whirlwind tour of how http4s can:

plug into your functional business logic
snap together with other functional libraries
relate servers to clients
test with a simple function call
run on multiple backends
support multiple higher level DSLs

This talk will not make you an expert in http4s, but show that it’s a relatively short path to become one.

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