From b77d31ac61d1772ccfab6f37cb19559adc843466 Mon Sep 17 00:00:00 2001 From: Russell Mackenzie Date: Sun, 19 Mar 2017 01:39:11 +0000 Subject: [PATCH] Add mention of None as possible return. Closes #40435. --- src/libcollections/slice.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/libcollections/slice.rs b/src/libcollections/slice.rs index 11fc1d553f2..8147b83cf04 100644 --- a/src/libcollections/slice.rs +++ b/src/libcollections/slice.rs @@ -230,7 +230,7 @@ impl [T] { core_slice::SliceExt::first_mut(self) } - /// Returns the first and all the rest of the elements of a slice. + /// Returns the first and all the rest of the elements of a slice, or `None` if it is empty. /// /// # Examples /// @@ -248,7 +248,7 @@ impl [T] { core_slice::SliceExt::split_first(self) } - /// Returns the first and all the rest of the elements of a slice. + /// Returns the first and all the rest of the elements of a slice, or `None` if it is empty. /// /// # Examples /// @@ -268,7 +268,7 @@ impl [T] { core_slice::SliceExt::split_first_mut(self) } - /// Returns the last and all the rest of the elements of a slice. + /// Returns the last and all the rest of the elements of a slice, or `None` if it is empty. /// /// # Examples /// @@ -287,7 +287,7 @@ impl [T] { } - /// Returns the last and all the rest of the elements of a slice. + /// Returns the last and all the rest of the elements of a slice, or `None` if it is empty. /// /// # Examples ///