nyo16

defmodule MyApp.Hello do
  @moduledoc """
  This is the Hello module.
  """

  @doc """
  Says hello to the given `name`.

  Returns `:ok`.

nyo16

 def pmap(collection, func) do
    collection
    |> Enum.map(&(Task.async(fn -> func.(&1) end)))
    |> Enum.map(&Task.await/1)
  end

nyo16

def registration_changeset(model, params) do
  model
  |> cast(params, [:email, :password])
  |> validate_required([:email, :password])
  |> validate_format(:email, ~r/^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/)
  |> unique_constraint(:email)
  |> validate_length(:password, min: 8)
  |> update_password?()
end

nyo16

def is_active(nil), do: {:error, :not_found}

def is_active(%User{accounts: []}), do: {:error, :no_active_account}

def is_active(%User{accounts: accounts} = user), do: {:ok, user}

def is_active(_), do: {:error, :something_happend}