From 9d29793614cc810fb8febf7f1a2e0202f3919bb6 Mon Sep 17 00:00:00 2001
From: dylni <46035563+dylni@users.noreply.github.com>
Date: Sun, 17 Jan 2021 23:12:29 -0500
Subject: Improve design of `assert_len`

---
 library/alloc/src/vec/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'library/alloc/src/vec')

diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs
index b40c1a8c57a..5c20f382224 100644
--- a/library/alloc/src/vec/mod.rs
+++ b/library/alloc/src/vec/mod.rs
@@ -1650,7 +1650,7 @@ impl<T, A: Allocator> Vec<T, A> {
         // the hole, and the vector length is restored to the new length.
         //
         let len = self.len();
-        let Range { start, end } = range.assert_len(len);
+        let Range { start, end } = range.ensure_subset_of(..len);
 
         unsafe {
             // set self.vec length's to start, to be safe in case Drain is leaked
-- 
cgit 1.4.1-3-g733a5