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-rw-r--r--Common/Substring.lean2
-rw-r--r--lakefile.lean4
-rw-r--r--lean-toolchain2
3 files changed, 4 insertions, 4 deletions
diff --git a/Common/Substring.lean b/Common/Substring.lean
index 4ed39b4..f51b088 100644
--- a/Common/Substring.lean
+++ b/Common/Substring.lean
@@ -5,7 +5,7 @@ namespace Substring
theorem nextn_ge (s : Substring) (n : Nat) (p : String.Pos) : s.nextn n p ≥ p := by
unfold Substring.nextn
cases n
- case zero => simp[String.Pos.le_iff]
+ case zero => simp
case succ nn =>
simp
unfold Substring.next
diff --git a/lakefile.lean b/lakefile.lean
index 3e1521b..1e5c419 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -32,7 +32,7 @@ lean_exe «aoc-2023» where
supportInterpreter := true
require BinaryHeap from git
- "http://git.grois.info/BinaryHeap"@"90a0fee45356cf5a1a4d29214c7f0f115fddbf23"
+ "http://git.grois.info/BinaryHeap"@"429534106cc509d0fb5b79c67da51b432a798243"
require «lean-astar» from git
- "http://git.grois.info/lean-astar"@"7480e42e0a7ef6631b01fb7208b2b3b9c7fcc354"
+ "http://git.grois.info/lean-astar"@"088301828d9234c778faac314133922347c0d47f"
diff --git a/lean-toolchain b/lean-toolchain
index f434439..077c4ce 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:4.23.0
+leanprover/lean4:4.24.0