From f7ac27f54a76582354964bae21ee03937c108187 Mon Sep 17 00:00:00 2001
From: Andreas Grois <andi@grois.info>
Date: Fri, 12 Jul 2024 22:01:57 +0200
Subject: Squashed commit of the following:

commit 7aeefe2e761a4892ff2f438e00f3ec7e6d286c5c
Author: Andreas Grois <andi@grois.info>
Date:   Fri Jul 12 21:59:44 2024 +0200

    Finish Lean 4.9 update.

commit 8a5576ae983203035f6bf0c807b36f1b4d7b63a6
Author: Andreas Grois <andi@grois.info>
Date:   Fri Jul 12 21:40:21 2024 +0200

    Lean 4.9 upgrade, heap is where it was before...

commit db34881e21391c96a6a0b939552b0f6f77d05bd8
Author: Andreas Grois <andi@grois.info>
Date:   Fri Jul 12 00:31:22 2024 +0200

    Further Lean 4.9 compat...

commit 22444613d58c5bd1a3fcdad0cd6c8d3aee1f3214
Author: Andreas Grois <andi@grois.info>
Date:   Thu Jul 11 22:15:11 2024 +0200

    Further Lean 4.9 porting

commit a4ace32cbb02959f9625578b511c2486e0816367
Author: Andreas Grois <andi@grois.info>
Date:   Wed Jul 10 23:18:29 2024 +0200

    Continue porting to Lean 4.9

commit d0f411bcc42b5cb7c72c2ed65ae35875c72e95dd
Author: Andreas Grois <andi@grois.info>
Date:   Wed Jul 10 23:10:34 2024 +0200

    Continue port to Lean 4.9

commit 835ce644b97840048de0df40676ff6f3a8b99985
Author: Andreas Grois <andi@grois.info>
Date:   Wed Jul 10 22:14:59 2024 +0200

    Partial port to Lean 4.9. Not compiling yet.
---
 Common/Char.lean | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Common/Char.lean')

diff --git a/Common/Char.lean b/Common/Char.lean
index 9c727eb..f24a553 100644
--- a/Common/Char.lean
+++ b/Common/Char.lean
@@ -1,4 +1,4 @@
 namespace Char
 
-def asDigit (d : Char) (ok : Char.isDigit d = true) : Nat :=
+def asDigit (d : Char) (_ : Char.isDigit d = true) : Nat :=
   d.toNat - 48
-- 
cgit v1.2.3

