[lmi-commits] [lmi] master ffb020e 3/4: Make const accessors return by const&, not by value

[Greg Chicares]

branch: master
commit ffb020ec192580e03ae6f92ee4d8b4924b59722d
Author: Gregory W. Chicares <address@hidden>
Commit: Gregory W. Chicares <address@hidden>

    Make const accessors return by const&, not by value
---
 input_sequence.cpp |    4 ++--
 input_sequence.hpp |    5 ++---
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/input_sequence.cpp b/input_sequence.cpp
index ffacb1e..28c1af9 100644
--- a/input_sequence.cpp
+++ b/input_sequence.cpp
@@ -991,12 +991,12 @@ std::string InputSequence::formatted_diagnostics
     return s;
 }
 
-std::vector<double> InputSequence::linear_number_representation() const
+std::vector<double> const& InputSequence::linear_number_representation() const
 {
     return number_result;
 }
 
-std::vector<std::string> InputSequence::linear_keyword_representation() const
+std::vector<std::string> const& InputSequence::linear_keyword_representation() 
const
 {
     return keyword_result;
 }
diff --git a/input_sequence.hpp b/input_sequence.hpp
index 1d9ce38..ffadebd 100644
--- a/input_sequence.hpp
+++ b/input_sequence.hpp
@@ -257,9 +257,8 @@ class LMI_SO InputSequence
         );
     ~InputSequence();
 
-    // SOMEDAY !! These probably ought to return const&.
-    std::vector<double> linear_number_representation() const;
-    std::vector<std::string> linear_keyword_representation() const;
+    std::vector<double>      const& linear_number_representation()  const;
+    std::vector<std::string> const& linear_keyword_representation() const;
 
     std::string mathematical_representation() const;