From 24c32c7de239a2d4c81f67d7eb241c0c4aa38a63 Mon Sep 17 00:00:00 2001
From: Evan Brown <ezb@google.com>
Date: Tue, 18 Oct 2022 11:45:09 -0700
Subject: Use btree iterator subtraction instead of std::distance in
 erase_range() and count().

PiperOrigin-RevId: 481979737
Change-Id: I69f53665b0463a7d8d80f2a3feedfdd95d32b012
---
 absl/container/internal/btree.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'absl/container/internal/btree.h')

diff --git a/absl/container/internal/btree.h b/absl/container/internal/btree.h
index 9c509073..5000d1c3 100644
--- a/absl/container/internal/btree.h
+++ b/absl/container/internal/btree.h
@@ -2444,7 +2444,7 @@ auto btree<P>::rebalance_after_delete(iterator iter) -> iterator {
 template <typename P>
 auto btree<P>::erase_range(iterator begin, iterator end)
     -> std::pair<size_type, iterator> {
-  size_type count = static_cast<size_type>(std::distance(begin, end));
+  size_type count = static_cast<size_type>(end - begin);
   assert(count >= 0);
 
   if (count == 0) {
-- 
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