This is the first of a series of articles on “Monadic EDSLs in Scala.” Embedded domain specific languages (EDSLs) are a powerful tool for abstracting complexities such as effects and business logic from our programs. Instead of mixing ad-hoc error handling, database access, and web calls through our code, we isolate each domain into a little language. These little languages can then be used to write “mini-programs” describing, for example, how to create a web page for a user. Our prog...
