Caleb Webber
680929a20c
aoc runner takes part as arg and passes to init state fn call refactored day 1 to switch parts dynamically
28 lines
721 B
Elixir
28 lines
721 B
Elixir
defmodule AOCRunner do
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defp is_empty(s) do
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(s |> String.trim() |> String.length()) == 0
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end
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def run(advent, part) do
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{_, state} = IO.stream() |>
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Enum.reduce_while(
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{nil, advent.init_state(part)},
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fn line, acc -> line
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|> then(fn line ->
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{u, state} = acc
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{u, advent.execute(line, state)}
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end)
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|> then(fn {u, s} ->
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if (line |> is_empty()) && (u |> is_empty()) do
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{:halt, {u, s}}
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else
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{:cont, {u, s}}
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end
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end)
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|> then(fn {reduce_atom, {_, state}} -> {reduce_atom, {String.trim(line), state}} end)
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end
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)
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IO.puts(advent.get_answer(state))
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end
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end
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