-module(day1).
-export([charcount/1]).
-export([counter/1]).
-export([print/1]).

charcount([])  -> 0;
charcount([_ | Rest]) -> 1 + charcount(Rest).

counter(10) -> 10;
counter(N) -> counter(N + 1).

print(success) -> io:write("success");
print({error, Message}) -> io:write(unicode:characters_to_list(["error: ", Message], utf8)).