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use Map.reject

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Adam Millerchip 2022-11-29 21:42:55 +09:00
parent fb87183a6f
commit 32679a526a
1 changed files with 1 additions and 1 deletions
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2021/day9.exs
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@ -45,7 +45,7 @@ defmodule Day9 do
end end
defp remove_nines(cave) do defp remove_nines(cave) do
floor = cave.floor |> Enum.reject(&match?({_k, 9}, &1)) |> Map.new() floor = Map.reject(cave.floor, &match?({_k, 9}, &1))
%Cave{cave | floor: floor} %Cave{cave | floor: floor}
end end