If you were using a CLI library in elixir, do you prefer to use the module and then each function defined generates a CLI cmd or do you prefer to have define macros cmds and handle events for each cmd? examples below

option 1, with using macro and “native” definition using only module attributes:

defmodule MyCLI do use Nexus @doc """ Answers "fizz" on "buzz" input and vice-versa """ @cmd_type {:enum, ["fizz", "buzz"]} @required true def fizzbuzz(input) do # logic... end end1040×984 31.1 KB

option 2, with “define” macros and events

defmodule MyCLI do use Nexus @baheviout Nexus.Handler @doc """ Answers "fizz" on "buzz" input and vice-versa """ defcmd :fizzbuzz, type: {:enum, ~w(fizz buzz)} required: true @impl Nexus.Handler def handle_input(:fizzbuzz, input) do # logic... end end1033×1200 43.6 KB

I didn’t find any decent library to build CLI commands and options ala rust clap or clojure clapps, so I would like to build my own to Elixir. It will probably leverage the owl package “components” in the future, but firstly I would like to see opinions of the usage proposals!