gistfile1.txt

defmodule Spoonbot do
  use Application.Behaviour

  def start(_type, _args) do
    bot_hello = BotSpeak.new(pattern: "hello", doer: fn -> IO.puts "hi" end)
    Bridge.IRC.run(bot_hello)
    Spoonbot.Supervisor.start_link
  end
end

defrecord BotSpeak, pattern: nil, doer: nil

This throws:

=INFO REPORT==== 8-Feb-2014::10:47:42 ===
    application: spoonbot
    exited: {bad_return,
                {{'Elixir.Spoonbot',start,[normal,[]]},
                 {'EXIT',
                     {undef,
                         [{'Elixir.Bridge.IRC',run,
                              [{'Elixir.BotSpeak',<<"hello">>,
                                   #Fun<Elixir.Spoonbot.0.73827715>}],
                              []},
                          {'Elixir.Spoonbot',start,2,
                              [{file,"lib/spoonbot.ex"},{line,6}]},
                          {application_master,start_it_old,4,
                              [{file,"application_master.erl"},
                               {line,269}]}]}}}}
    type: temporary
** (Mix) Could not start application spoonbot: {:bad_return, {{Spoonbot, :start, [:normal, []]}, {:EXIT, {:undef, [{Bridge.IRC, :run, [BotSpeak[pattern: "hello", doer: #Function<0.73827715 in Spoonbot.start/2>]], []}, {Spoonbot, :start, 2, [file: 'lib/spoonbot.ex', line: 6]}, {:application_master, :start_it_old, 4, [file: 'application_master.erl', line: 269]}]}}}}