adventofcode-5.1.iex

defmodule Arvuti do
  def hashit(str, ind, result) do
  	hash = :crypto.hash(:md5 , str <> to_string(ind)) |> Base.encode16()
  	cond do
  		String.length(result) >= 8 ->
  			result
		String.slice(hash, 0..4) == "00000" ->
			result = result <> String.slice(hash, 5..5)
			IO.puts result
			hashit(str, ind+1, result)
		true ->
			hashit(str, ind+1, result)
	end
  end

end


IO.puts Arvuti.hashit("abc", 0, "")