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Returnable

Return statement for Elixir.

This package is written by professionals. Don't try this at home.

Installation

Add returnable to your list of dependencies in mix.exs if you don't like your team:

def deps do
  [
    {:returnable, github: "hpopp/returnable"}
  ]
end

Quickstart Example

Add use Returnable to your module and define returnable functions with defr. It's so easy to get started you'll feel dumber for using it.

defmodule YourModule do
  use Returnable
  
  defr sample_fun(x) do
    if x == 5 do
      return :awesome
    end
    
    x + 5
  end
end

iex> YourModule.sample_fun(5)
:awesome
iex> YourModule.sample_fun(7)
12

This package allows you to write really terrible code like:

defr fetch_active_user(id) do
  if User.admin?(id) do
    return Admin.fetch(id)
  else
    if User.active?(id) do
      return User.fetch(id)
    end
  end
  return nil # Not necessary, but probably makes you feel warm and fuzzy
end

Having trouble with Enum functions? No worries, you don't need to understand them anymore.

defr fetch_user(users, id) do
  for user <- users do
    if user.id == id, do: return user
  end
end

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Return statement for Elixir

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