Tuples

{}

A valid tuple.

{:function, "elixer", 2012}

{status, content} = {:ok, "some content"}

{:error, message} = {:error, "some error occurred."}

Returning Tuples From Functions

{status, content} = File.read()

{:ok, content} = File.read("transactions.csv")
{:ok, content} = File.read("file-that-doesnt-exist")

defmodule Account do
    def parse_file({:ok, content}) do
        IO.puts "Transactions: #{content}"
    end

    def parse_file({:error, error}) do
        IO.puts "Error parsing file"
    end
end