Doctests, patterns, and with — Elixir v1.18.4

In this chapter, we will implement the code that parses the commands we described in the first chapter: CREATE shopping OK PUT shopping milk 1 OK PUT shopping eggs 3 OK GET shopping milk 1 OK DELETE shopping eggs OKAfter the parsing is done, we will update our server to dispatch the parsed commands to the :kv application we built previously. DoctestsOn the language homepage, we mention that Elixir