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自作言語の型推論器が〇〇な件

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Last updated at Posted at 2026-08-24

純粋関数型システム言語Cargryを開発しています


CargryにはActoaという型推論ライブラリが存在します。しかしこいつ、オーダーが以下のようになります

  • 最良計算量:$O(N^2)$
  • 最悪計算量:$O(N^2M)$

ポンコツです。これはどうにかしなければ...

というわけで、作ってそのままだったActoaを改修します。$O(N+M)$にする予定です

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