results

  BenchfellaBench.binary test 10:   10000000   0.13 µs/op
 BenchfellaBench.binary test 100:   10000000   0.13 µs/op
     BenchfellaBench.binary test:   10000000   0.13 µs/op
BenchfellaBench.binary test 1000:   10000000   0.13 µs/op
      BenchfellaBench.range test:     100000   26.93 µs/op
   BenchfellaBench.range test 10:      10000   293.43 µs/op
  BenchfellaBench.range test 100:        500   3312.59 µs/op
 BenchfellaBench.range test 1000:         50   32802.00 µs/op

string_bench.exs

  @str "Some long string here. It should be much longer than this."
  @str_10 String.duplicate("Some long string here. It should be much longer than this.", 10)
  @str_100 String.duplicate("Some long string here. It should be much longer than this.", 100)
  @str_1000 String.duplicate("Some long string here. It should be much longer than this.", 1000)

  bench "range test" do
    String.slice(@str, 10..-10)
  end

  bench "binary test" do
    binary_part(@str, 10, -10)
  end

  ...