Arkham

defmodule Enchainer.Command do
  @callback do_call(term) :: {:ok, term} | {:error, term}
  @callback on_success(term, term) :: term
  @callback on_failure(term, term) :: term
  @callback on_revert(term) :: term

  defmacro __using__(_params) do
    quote do
      @behaviour Enchainer.Command

Arkham

defmodule Taskie do
  def pbump(n) do
    chunk_size = div(n, 10)
    1..n
    |> Enum.chunk(chunk_size, chunk_size, [])
    |> Enum.map(fn(chunk) ->
      chunk
      |> Enum.map(fn(v) -> Task.async(fn() -> Process.sleep(1000); bump(v) end)end)
      |> Enum.map(fn(t) -> Task.await(t) end)
    end)

Arkham

defmodule CoffeeFsm do
  @name :coffee_fsm
  @timeout 30_000

  def start_link do
    :gen_fsm.start_link({:local, @name}, __MODULE__, [], [])
  end

  def init([]) do
    Hw.reboot()

Arkham

defmodule CoffeeMachine do
  @name :coffee_machine

  def start_link do
    spawn_link(__MODULE__, :init, [])
  end

  def init do
    Process.register(self, @name)
    Hw.reboot()

Arkham

defmodule MyDb do
  ## Public API

  def start do
    pid = spawn(__MODULE__, :init, [])
    Process.register(pid, :my_db)
    {:ok, pid}
  end

  def stop, do: cast(:stop)

Arkham

defmodule MutexTest do
  use ExUnit.Case, async: false
  doctest Mutex

  setup do
    Mutex.start
    on_exit fn ->
      Mutex.stop
    end
  end

Arkham

defmodule Db do
  def new, do: []

  def destroy(_db), do: :ok

  def write([], key, element) do
    [{key, element}]
  end
  def write([{key, _value} | db], key, element) do
    [{key, element} | db]

Arkham

defmodule Frequency do

  def start() do
    pid = spawn(Frequency, :init, [])
    Process.register(pid, :frequency)
  end

  def init() do
    frequencies = {get_frequencies(), []}
    loop(frequencies)

Arkham

defmodule ProcessRing do
  @moduledoc """
  Documentation for ProcessRing.
  """

  def start(name) do
    spawn(ProcessRing, :init, [name])
  end

  def init(name) do

Arkham

# HI! I'm Ju. You can find me online as @arkh4m

# Download Sonic PI here: http://sonic-pi.net

def p(note, s: 1)
  play note, release: s, cutoff: rrand(80,110)
  sleep s
end

def fra_martino