mesos git commit: Future::failure should have a const ref return.

[dm...@apache.org]

Repository: mesos
Updated Branches:
  refs/heads/master 8c582614b -> dd647025b


Future::failure should have a const ref return.

Review: https://reviews.apache.org/r/27826


Project: http://git-wip-us.apache.org/repos/asf/mesos/repo
Commit: http://git-wip-us.apache.org/repos/asf/mesos/commit/dd647025
Tree: http://git-wip-us.apache.org/repos/asf/mesos/tree/dd647025
Diff: http://git-wip-us.apache.org/repos/asf/mesos/diff/dd647025

Branch: refs/heads/master
Commit: dd647025b361e512d564627ce0b6b8377627c84b
Parents: 8c58261
Author: Dominic Hamon <dh...@twitter.com>
Authored: Thu Aug 28 13:18:17 2014 -0700
Committer: Dominic Hamon <dh...@twitter.com>
Committed: Mon Nov 10 16:12:02 2014 -0800

----------------------------------------------------------------------
 3rdparty/libprocess/include/process/future.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/mesos/blob/dd647025/3rdparty/libprocess/include/process/future.hpp
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diff --git a/3rdparty/libprocess/include/process/future.hpp b/3rdparty/libprocess/include/process/future.hpp
index bc8b878..3ac1812 100644
--- a/3rdparty/libprocess/include/process/future.hpp
+++ b/3rdparty/libprocess/include/process/future.hpp
@@ -141,7 +141,7 @@ public:
   const T& get() const;
 
   // Returns the failure message associated with this future.
-  std::string failure() const;
+  const std::string& failure() const;
 
   // Type of the callback functions that can get invoked when the
   // future gets set, fails, or is discarded.
@@ -1170,7 +1170,7 @@ const T& Future<T>::get() const
 
 
 template <typename T>
-std::string Future<T>::failure() const
+const std::string& Future<T>::failure() const
 {
   if (data->state != FAILED) {
     ABORT("Future::failure() but state != FAILED");