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/- ## タクティクの中で識別子を導入する例 -/ macro "my_intro" : tactic => `(tactic| intro h) example (P : Prop) : P → P := by my_intro -- `h : P` がマクロ展開によって導入されはするが、 -- 死んでいるので使えない fail_if_success exact h assumption set_option hygiene false in macro "my_intro'" : tactic => `(tactic| intro h) example (P : Prop) : P → P := by my_intro' -- 衛生的ではないので、`h : P` が使えてしまう exact h
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タクティクの中で識別子を導入する例を追加
acd91f3
see #669
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The text was updated successfully, but these errors were encountered: