ddresselhaus

¯\_(ツ)_/¯ iex  -S mix
Erlang/OTP 22 [erts-10.4.4] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe]

Interactive Elixir (1.9.1) - press Ctrl+C to exit (type h() ENTER for help)
iex(1)> :scheduler.sample() |> :scheduler.utilization()
[
  {:total, 0.081145584725537, '8.1%'},
  {:normal, 1, 0.057692307692307696, '5.8%'},
  {:normal, 2, 0.06521739130434782, '6.5%'},
  {:normal, 3, 0.34545454545454546, '34.5%'},

ddresselhaus

defmodule Rover do
  @directions ["N", "E", "S", "W"]

  def execute(location_string, moves_string) do
    location = parse_location(location_string)
    moves = parse_moves(moves_string)

    process_move(location, moves)
  end

ddresselhaus

" when triggering this command, vim will grab your path and line location and pass it along
map <Leader>el :call RemoteSendCommand(TestLineCommand(expand("%:p"), line(".")))<CR>

" because I'm mostly writing Elixir and making heavy use of the REPL while writing my tests,
" I made a specific command to user with Mix, the Elixir task utility
" But I'm sure you could get this to work with vim-test or something like that
function! TestLineCommand(path, line_number)
  let cmd = join(["mix test --only", " line:", a:line_number, " ", a:path], "")
  return cmd
endfunction

ddresselhaus

# https://projecteuler.net/index.php?section=problems&id=50
defmodule Primes do
  def primes(ceiling), do: Enum.filter(1..ceiling, fn x -> is_prime(x) end)

  def is_prime(n), do: factors(n, div(n, 2)) == [1]

  def factors(1, _), do: [1]
  def factors(_, 1), do: [1]
  def factors(n, i) do
    if rem(n, i) == 0 do