Mercurial > Algorithms__Sedgewick

changeset 26:2cbfacd2a3e9

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Slight tweak to the iterator for Queue to make it return values by reference.
author Eris Caffee <discordia@eldalin.com>
date Tue, 23 Jun 2015 15:46:22 -0500
parents 3cdac4c29445
children 80ca1973e3bd
files algs4-c++/src/Queue.hpp
diffstat 1 files changed, 2 insertions(+), 2 deletions(-) [+]
line diff
     1.1 --- a/algs4-c++/src/Queue.hpp	Tue Jun 23 15:27:26 2015 -0500
     1.2 +++ b/algs4-c++/src/Queue.hpp	Tue Jun 23 15:46:22 2015 -0500
     1.3 @@ -29,7 +29,7 @@
     1.4  
     1.5      private:
     1.6          typedef typename std::conditional<is_const, const Node *, Node *>::type NodePtrType;
     1.7 -        typedef typename std::conditional<is_const, const T, T>::type ValueType;
     1.8 +        typedef typename std::conditional<is_const, const T&, T&>::type ValueReferenceType;
     1.9  
    1.10      public:
    1.11  
    1.12 @@ -54,7 +54,7 @@
    1.13              return t;
    1.14              }
    1.15  
    1.16 -        ValueType operator*() {
    1.17 +        ValueReferenceType operator*() {
    1.18              return this->curr->item;
    1.19              }
    1.20