Add some comments

code-shoily · Jun 29, 2024 · 0909fa3 · 0909fa3
1 parent 46d9257
commit 0909fa3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/advent_of_code.ex b/lib/advent_of_code.ex
@@ -24,10 +24,12 @@ defmodule AdventOfCode do
     _ in UndefinedFunctionError -> {:error, :not_yet_solved}
   end
 
+  # It takes whole four digits years (i.e. "Y2015")
   defp get_year_module(year) when year >= 2015 and year <= @latest_year do
     "Y" <> Integer.to_string(year)
   end
 
+  # Single digit days are zero padded
   defp get_day_module(day) when day >= 1 and day <= 25 do
     day
     |> Integer.to_string()