leandrocp

iex> :sys.get_status pid
 	{:status, #PID<0.134.0>, {:module, :gen_server},
 	 [
 	   [
 	     "$initial_call": {Sequence.Server, :init, 1},
 	     "$ancestors": [#PID<0.118.0>, #PID<0.57.0>]
 	   ],
 	   :running,
 	   #PID<0.118.0>,
 	   [statistics: {{{2017, 12, 23}, {14, 11, 13}}, {:reductions, 14}, 3, 0},

leandrocp

iex(1)> defmodule Example, do: use GenServer
iex(2)> {:ok, pid} = GenServer.start_link(Example, %{ping: "pong"})
iex(3)> :sys.get_state(pid)
%{ping: "pong"}

leandrocp

# import apex adef macro
import Apex.AwesomeDef

# change def to adef
adef test(data, options \\ []) do
  data
end

# when you call your function, you'll receive detailed information about its execution
iex(1)> Apex.test "foo"

leandrocp

# given that you have this module
defmodule MyApp.Example do
  def sum(x, y) do
    x + y
  end
end

# start a new iex session
$ iex -S mix

leandrocp

def some_fun(a, b, c) do
  IO.inspect binding()
  ...
end

iex> some_fun(:foo, "bar", :baz)
[a: :foo, b: "bar", c: :baz]

leandrocp

def some_fun(a, b, c) do
  require IEx; IEx.pry
  ...
end

leandrocp

my_list = [1, 2, 3]
IO.inspect(my_list)

# Outputs
[1, 2, 3]

leandrocp

[1, 2, 3]
|> IO.inspect(label: "before")
|> Enum.map(&(&1 * 2))
|> IO.inspect(label: "after")
|> Enum.sum

# Outputs
before: [1, 2, 3]
after: [2, 4, 6]

leandrocp

Rich Hickey

• https://confreaks.tv/videos/railsconf2012-keynote-simplicity-matters
• https://confreaks.tv/videos/jaxconf2012-keynote-the-value-of-values

Dave Thomas

• https://confreaks.tv/videos/elixirconf2014-opening-keynote-think-different
• https://confreaks.tv/videos/lonestarruby2013-elixir-power-of-erlang-joy-of-ruby

Robert Martin

• https://confreaks.tv/videos/rubymidwest2011-keynote-architecture-the-lost-years

leandrocp

{
    "type": "object",
    "properties": {
        "nome": { "type": "string" },
        "idade": { "type": "number" },
        "data_nascimento": {
            "type": "string",
            "format": "date-time"
        },
        "falecido": { "type": "boolean"}