12 lines
376 B
Text
12 lines
376 B
Text
import Lean
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set_option linter.suspiciousUnexpanderPatterns true
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@[appUnexpander List.nil] def unexpandListNilBad : Lean.PrettyPrinter.Unexpander
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| `(List.nil) => `([])
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| _ => throw ()
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/--hey-/
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@[appUnexpander List.cons] private def unexpandListConsBad : Lean.PrettyPrinter.Unexpander
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| `(List.cons $x []) => `([$x])
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| _ => throw ()
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