cleanup

1 files changed, 12 insertions, 0 deletions

diff --git a/aoc2023/build/packages/adglent/src/adglent_ffi.erl b/aoc2023/build/packages/adglent/src/adglent_ffi.erl
new file mode 100644
index 0000000..a6a92e6
--- /dev/null
+++ b/aoc2023/build/packages/adglent/src/adglent_ffi.erl
@@ -0,0 +1,12 @@
+-module(adglent_ffi).
+
+-export([get_line/1]).
+
+-spec get_line(io:prompt()) -> {ok, unicode:unicode_binary()} | {error, eof | no_data}.
+get_line(Prompt) ->
+    case io:get_line(Prompt) of
+        eof -> {error, eof};
+        {error, _} -> {error, no_data};
+        Data when is_binary(Data) -> {ok, Data};
+        Data when is_list(Data) -> {ok, unicode:characters_to_binary(Data)}
+    end.