Created
February 4, 2021 13:01
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RLE
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| # As an exercise after reading this tweet: https://twitter.com/Al_Grigor/status/1357028887209902088?s=20 | |
| str = String.split("aaaabbbcca", "", trim: true) | |
| str | |
| |> Enum.reduce([], fn | |
| x, [{x, count} | rest] -> | |
| [{x, count + 1} | rest] | |
| x, acc -> | |
| [{x, 1} | acc] | |
| end) | |
| |> Enum.reverse() | |
| |> IO.inspect() |
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