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Diffstat (limited to '2015/day10.exs')
| -rw-r--r-- | 2015/day10.exs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/2015/day10.exs b/2015/day10.exs index 384a15f..99673a5 100644 --- a/2015/day10.exs +++ b/2015/day10.exs @@ -1,8 +1,10 @@ start = File.read!("inputs/day10.txt") +digitRegex = ~r/(\d)\1*/ + lookAndSayStream = Stream.iterate(start, fn current -> - Regex.scan(~r/(\d)\1*/, current) + Regex.scan(digitRegex, current) |> Enum.map(fn [seq, _] -> length = String.length(seq) type = String.at(seq, 0) |