Enum: map, filter e reduce

Colinha do Elixir Enum https://www.youtube.com/watch?v=8Jod6wIF6_M Documentação do Enum no Elixir 1.12 https://hexdocs.pm/elixir/1.12/Enum.html Enum na Elixir School https://elixirschool.com/pt/lessons/basics/enum/ Código do Enum https://github.com/elixir-lang/elixir/blob/a64d42f5d3cb6c32752af9d3312897e8cd5bb7ec/lib/elixir/lib/enum.e #L200 #Elixir