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コード例: 等号の優先順位が50であることを検証する #301

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Seasawher opened this issue Jun 18, 2024 · 0 comments

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Seasawher commented Jun 18, 2024

infix:51 " strong " => Nat.add

-- きちんと 1 + (2 strong 3) = 6 と解釈される．
-- これは， 等号の優先順位が 51 未満であることを意味する
#check 1 + 2 strong 3 = 6

-- 優先順位を 50 より小さくすると等号より優先順位が低くなる
-- したがってエラーになる
infix:49 " weak " => Nat.add

#check_failure 1 + 2 weak 3 = 6

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コマンド紹介: infix を紹介する #437

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