bot.erl

-module(bot).
-behaviour(gen_server).

-export([start_link/0]).
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).

start_link() ->
    gen_server:start_link({local,?MODULE},?MODULE, [], []).

init([]) -> {ok, []}.

handle_call(Message, _From, State) ->
    case Message of
        {hi, Msg} ->
            {reply, {"nice to meet you ", Msg}, State};
        {bye, Msg} ->
            {reply, {"see you later ", Msg}, State};
        _ ->
            {reply, {"I dont understand", Message}, State}
    end.

handle_cast(r, s) ->
    {noreply,r}.

handle_info(Msg, state) ->
    {noreply, Msg}.

terminate(normal, state) ->
    ok.

code_change(_OldVsn, State, _Extra) ->
    {ok, State}. 

c(bot). bot:start_link(). gen_server:call(bot, {hi, "Jake"}). gen_server:call(bot, {bye, "Jake"}). gen_server:call(bot, "sending not a tuple 2 without hi/bye").