blackode

defmodule Hello do
  def hello(name,age) when is_kid(age) do
    IO.puts "Hello Kid #{name}"
  end
  def hello(name,age) when is_adult(age) do
    IO.puts "Hello Mister #{name}"
  end
  def is_kid age do
    age < 12
  end

blackode

defmodule MyGuards do

  defmacro is_kid age do
    quote do: unquote(age) < 12
  end

  defmacro is_adult age do
    quote do: unquote(age) > 18
  end

blackode

defmodule EtsKeys do
  def keys(table_name) do
    first_key = :ets.first(table_name)
        keys(table_name, first_key, [first_key])
  end

 def keys(_table_name, '$end_of_table', ['$end_of_table'|acc]) do
    acc
 end
 def keys(table_name, current_key, acc) do

blackode

uninstall postgresql if necessary

sudo pacman -R postgresql postgresql-libs

remove postgres files

sudo rm -rfv /var/lib/postgres

blackode

defmodule TcpServer do
  use GenServer

  def start_link() do
    ip = Application.get_env :tcp_server, :ip, {127,0,0,1}
    port = Application.get_env :tcp_server, :port, 6666
    GenServer.start_link(__MODULE__,[ip,port],[])
  end

  def init [ip,port] do

blackode

{"menu": {
  "id": "file",
  "value": "File",
  "popup": {
    "menuitem": [
      {"value": "New", "onclick": "CreateNewDoc()"},
      {"value": "Open", "onclick": "OpenDoc()"},
      {"value": "Close", "onclick": "CloseDoc()"}
 ]

blackode

 
 # project_root/.formatter.exs
 
    [
    
      # functions to let allow the no parens like def print value
      locals_without_parens: [hello: 2, get_user: 1, addtion: *],  
      
      # files to format 
      inputs: ["mix.exs", "{config,lib,test}/**/*.{ex,exs}"],

blackode

# Elixir V1.6

defmodule Array do
  @moduledoc """
  A collective data module with some helpful functions
  """

  @doc """
  Flattens the given list of nested lists. By default it gives out the unique list of items by removing the duplicates
  inside. 

blackode

# stack.ex

defmodule Stack do
  use GenServer

  # server callbacks
  def init(args), do: {:ok, args}

  #used to handle synchronous requests
  def handle_call(:get, _from, state) do

blackode

defmodule Bank do
  use GenServer
  alias Bank.Cache
  @moduledoc """
  Documentation for Bank.
  """
# client API
  def start_link(cache_pid) do 
    GenServer.start_link(Bank, cache_pid, name: Bank)
  end