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# Regular Approach
find = fn(x) when x>10 or x<5 or x==7 -> x end 

# Our Hack
hell = fn(x) when true in [x>10,x<5,x==7] -> x end 

blackode

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

blackode

defmodule HelloServer do
  use GenServer

  ## Server API
  def init(initial_value) do   # initiating the state with the value 1 passed 
    {:ok,initial_value}
  end

  # add the value to the state and returns :ok
  def handle_call({:add,value},_from,state) do

blackode

def handle_call({:unlock, password}, _from, passwords) do # ----> synchronous request
    if password in passwords do
      {:reply, :ok, passwords}

    else
     write_to_logfile password
    {:reply, {:error,"wrongpassword"}, passwords}
    end
end

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def init(password) do 
    {:ok, [password]} # ----------- state is stored as list of passwords
end

blackode

test "unlock success test", %{server: pid} do
    assert :ok == PasswordLock.unlock(pid,"foo")
  end

blackode

  setup do
    {:ok,server_pid} = PasswordLock.start_link("foo")
    {:ok,server: server_pid}
  end

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@doc """
  Unlocks the given password
  """
  def unlock(server_pid, password) do
    GenServer.call(server_pid, {:unlock, password})
  end

  @doc """
  resets the given password
  """

blackode

@doc """
  Initiate with the given password .
  """
  def start_link(password) do
    GenServer.start_link(__MODULE__, password, [])
  end

blackode

defmodule PasswordLockTest do
  use ExUnit.Case
  doctest PasswordLock
  setup do
    {:ok,server_pid} = PasswordLock.start_link("foo")
    {:ok,server: server_pid}
  end

  test "unlock success test", %{server: pid} do