Code style: Declare (Type& value) instead of (Type &value)
diff --git a/ndn-cpp/face.cpp b/ndn-cpp/face.cpp
index a2503fe..9b24dda 100644
--- a/ndn-cpp/face.cpp
+++ b/ndn-cpp/face.cpp
@@ -9,7 +9,7 @@
namespace ndn {
-void Face::expressInterest(const Name &name, const Interest *interestTemplate, const OnData &onData, const OnTimeout &onTimeout)
+void Face::expressInterest(const Name& name, const Interest *interestTemplate, const OnData& onData, const OnTimeout& onTimeout)
{
if (interestTemplate)
node_.expressInterest(Interest