HMock: First Rate Mocks in Haskell

At the end of Zurihac this year, I released a preview version of HMock, a new library for testing with mocks in Haskell. Let’s talk about what this is, why I wrote it, and how you can use it. A Toy ChatbotLet’s suppose I want to write a chatbot in Haskell. I might start with a few types, like so… newtype User = User String deriving (Eq, Show) data PermLevel = Guest | NormalUser | Admin deriving (E

[hamamuratakuo]

HMock: A flexible mock framework for testing effectful code. https://hackage.haskell.org/package/HMock