# HG changeset patch
# User Eris Caffee <discordia@eldalin.com>
# Date 1435092382 18000
# Node ID 2cbfacd2a3e986c2c8bb97bc612637c94470bb71
# Parent  3cdac4c2944525a4e0afaf0f014d15d47c3c7623
Slight tweak to the iterator for Queue to make it return values by reference.

diff -r 3cdac4c29445 -r 2cbfacd2a3e9 algs4-c++/src/Queue.hpp
--- a/algs4-c++/src/Queue.hpp	Tue Jun 23 15:27:26 2015 -0500
+++ b/algs4-c++/src/Queue.hpp	Tue Jun 23 15:46:22 2015 -0500
@@ -29,7 +29,7 @@
 
     private:
         typedef typename std::conditional<is_const, const Node *, Node *>::type NodePtrType;
-        typedef typename std::conditional<is_const, const T, T>::type ValueType;
+        typedef typename std::conditional<is_const, const T&, T&>::type ValueReferenceType;
 
     public:
 
@@ -54,7 +54,7 @@
             return t;
             }
 
-        ValueType operator*() {
+        ValueReferenceType operator*() {
             return this->curr->item;
             }