as someone who did (and still does) a lot of Haskell, and actually loves it, seeing http4s reminded me less of Yesod and more of Servant: really high flexibilit

as someone who did (and still does) a lot of Haskell, and actually loves it, seeing http4s reminded me less of Yesod and more of Servant: really high flexibility, advanced type level magic, and a fairly steep learning curve - especially so if you're not accustomed to advanced typed functional programming.