let day_1_example = {|L68 L30 R48 L5 R60 L55 L1 L99 R14 L82|} let run_day = function | 1 -> let answer = Application.Day_1.solve day_1_example () in Logs.app (fun m -> m "%d" answer) ; 0 | _ -> failwith "day not implemented" let day_arg = let doc = "Day to run. MUST be in range of 1-12." in Cmdliner.Arg.(value & pos 0 int 1 & info [] ~docv:"DAY" ~doc) let day_t = Cmdliner.Term.(const run_day $ day_arg) let cmd = let info = Cmdliner.Cmd.info "aoc" ~version:"0.1.0" in Cmdliner.Cmd.v info day_t let run () = Cmdliner.Cmd.eval' cmd