In his book, Programming Elixir, Dave Thomas referrs to the parallel map function as the “hello world of Erlang”. It is a fun problem to solve! The premise is relatively simple, the operation performed on each element is done in separate processes. This allows the work to be done in parallel on the collection. If you’re interested in an exmaple, check out my friend Nathan Long’s post
You know folding. You fold things everyday, clothes, paper, stacks of cash.