From ca88f10e39d421cbbd876a5da8d1ce52f84df73d Mon Sep 17 00:00:00 2001
From: Sebastian Widua <seppel3210@gmail.com>
Date: Thu, 26 Aug 2021 23:23:17 +0200
Subject: [PATCH] Add missing # Panics section to `Vec` method

namely `Vec::extend_from_within`
---
 library/alloc/src/vec/mod.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs
index 87a0d371815..39ed03c4379 100644
--- a/library/alloc/src/vec/mod.rs
+++ b/library/alloc/src/vec/mod.rs
@@ -2164,7 +2164,12 @@ pub fn extend_from_slice(&mut self, other: &[T]) {
 
     /// Copies elements from `src` range to the end of the vector.
     ///
-    /// ## Examples
+    /// # Panics
+    ///
+    /// Panics if the starting point is greater than the end point or if
+    /// the end point is greater than the length of the vector.
+    ///
+    /// # Examples
     ///
     /// ```
     /// let mut vec = vec![0, 1, 2, 3, 4];