From a29dc05c932bda1b88f1afc6a92d6c3f72790b88 Mon Sep 17 00:00:00 2001
From: Johannes Oertel <johannes.oertel@uni-due.de>
Date: Sat, 9 May 2015 00:41:38 +0200
Subject: [PATCH] Document panic behaviour of BitVec::split_off

---
 src/libcollections/bit.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libcollections/bit.rs b/src/libcollections/bit.rs
index 1271a6276ae..17e937c5af2 100644
--- a/src/libcollections/bit.rs
+++ b/src/libcollections/bit.rs
@@ -644,6 +644,10 @@ impl BitVec {
     /// Splits the `BitVec` into two at the given bit,
     /// retaining the first half in-place and returning the second one.
     ///
+    /// # Panics
+    ///
+    /// Panics if `at` is out of bounds.
+    ///
     /// # Examples
     ///
     /// ```