From 6edc90a3e21a786bfe1e0a6bca28e8e687064554 Mon Sep 17 00:00:00 2001
From: William Chargin <wchargin@gmail.com>
Date: Mon, 23 Nov 2020 15:46:13 -0800
Subject: [PATCH] [update patch]

wchargin-branch: doc-iter-by-reference
wchargin-source: e4069ac9a9d73860467cea74cf3ae1605af37d74
---
 library/core/src/iter/mod.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/library/core/src/iter/mod.rs b/library/core/src/iter/mod.rs
index 2ace734fb0c7..3e74637b49f1 100644
--- a/library/core/src/iter/mod.rs
+++ b/library/core/src/iter/mod.rs
@@ -243,11 +243,13 @@
 //! ```
 //!
 //! While many collections offer `iter()`, not all offer `iter_mut()`. For
-//! example, mutating the keys of a `HashSet<T>` or `HashMap<K, V>` could put
-//! the collection into an inconsistent state if the key hashes change, so these
-//! collections only offer `iter()`.
+//! example, mutating the keys of a [`HashSet<T>`] or [`HashMap<K, V>`] could
+//! put the collection into an inconsistent state if the key hashes change, so
+//! these collections only offer `iter()`.
 //!
 //! [`into_iter()`]: IntoIterator::into_iter
+//! [`HashSet<T>`]: ../../std/collections/struct.HashSet.html
+//! [`HashMap<K, V>`]: ../../std/collections/struct.HashMap.html
 //!
 //! # Adapters
 //!