Lessons Learned: Avoiding Primitives in Elm

Ben, Joël and I recently built an Elm application over two investment days, with a focus on trying out a new (to us!) paradigm in Elm. In this application, we avoided type aliases and primitive types (String, Int, etc.) in favor of product types. One of our types was for currency. Let’s break down the three ways we could declare this: -- primitive type (Int) type alias Player = { dollarsOnHand : I

[IzumiSy]

プリミティブ型を避けて代数データ型的な実装を使う