Add a comment to empty function.

diff --git a/src/simix/popping_private.hpp b/src/simix/popping_private.hpp
index 8dbbec1..e0c200a 100644 (file)
--- a/src/simix/popping_private.hpp
+++ b/src/simix/popping_private.hpp
@@ -186,6 +186,7 @@ template <class T> inline typename std::remove_reference<T>::type unmarshal_raw(
 
 template <std::size_t I> inline void marshalArgs(smx_simcall_t simcall)
 {
+  /* Nothing to do when no args */
 }
 
 template <std::size_t I, class A> inline void marshalArgs(smx_simcall_t simcall, A const& a)