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Merge pull request #11 from sinianluoye/issue/7
fix no auxiliary matching function issue
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Manual/Elaboration.lean

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@@ -424,7 +424,7 @@ A definition that still includes recursion, but has otherwise been elaborated to
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To see auxiliary pattern matching functions in Lean's output, set the option {option}`pp.match` to {lean}`false`.
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这种转化分为两步:首先,在项繁释期间,将用到的模式匹配替换为实现特定区分的 {deftech key:="auxiliary"}_辅助匹配函数_。
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这种转化分为两步:首先,在项繁释期间,将用到的模式匹配替换为实现特定区分的 {deftech key:="auxiliary matching function"}_辅助匹配函数_。
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这些辅助函数自身由归递器定义,且不必真的用到归递器的递归功能。{margin}[它们会用到 `casesOn`,具体参见{ref "recursor-elaboration-helpers"}[归递器与繁释帮助章节]。]
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项繁释器最终返回的核心项中,模式匹配已被这种特殊函数替代,但仍有递归出现。尚包含递归但其它方面已繁释为核心语言的定义称为 {deftech key := "pre-definition"}[前定义]。
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若需在 Lean 输出里看到辅助模式匹配函数,可设置 {option}`pp.match` 为 {lean}`false`。

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