Returns a new list with the function applied to the list supplied

pmap.ex

@doc """
This returns a new list with the function applied to the list supplied.

Examples:
  iex> Misc.pmap([1,2,3,4], fn(n) -> n * n end)
  [1,4,9,16]

  iex> Misc.pmap([1,2,3,4], fn(n) -> n + 1 end)
  [2,3,4,5]
"""
def pmap(list, func) do
  me = self

  list
  |> Enum.map(fn(elem) -> spawn(fn -> send(me, {self, func.(elem)}) end) end)
  |> Enum.map(fn(pid) ->
    receive do
      {pid, result} -> result
    end
  end)
end