From 5267798b4849cdc650cc9b9bf919d4b79f4b23e7 Mon Sep 17 00:00:00 2001
From: Olivier Parcollet <olivier.parcollet@cea.fr>
Date: Fri, 28 Mar 2014 17:20:16 +0100
Subject: [PATCH] arrays: a forgotten std::forward in lazy evaluations...

A(i_,0) was not compiling due to a missing forward ...
---
 triqs/arrays/impl/indexmap_storage_pair.hpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/triqs/arrays/impl/indexmap_storage_pair.hpp b/triqs/arrays/impl/indexmap_storage_pair.hpp
index 8341f117..968806c3 100644
--- a/triqs/arrays/impl/indexmap_storage_pair.hpp
+++ b/triqs/arrays/impl/indexmap_storage_pair.hpp
@@ -263,21 +263,21 @@ namespace triqs { namespace arrays {
      typename clef::_result_of::make_expr_call<indexmap_storage_pair const &,Args...>::type
      operator()( Args&&... args ) const & {
       static_assert(sizeof...(Args) <= indexmap_type::rank, "Incorrect number of variable in call");// not perfect : ellipsis ...
-      return make_expr_call(*this,args...);
+      return make_expr_call(*this,std::forward<Args>(args)...);
      }
 
     template< typename... Args>
      typename clef::_result_of::make_expr_call<indexmap_storage_pair &,Args...>::type
      operator()( Args&&... args ) & {
       static_assert(sizeof...(Args) <= indexmap_type::rank, "Incorrect number of variable in call");// not perfect : ellipsis ...
-      return make_expr_call(*this,args...);
+      return make_expr_call(*this,std::forward<Args>(args)...);
      }
 
     template< typename... Args>
      typename clef::_result_of::make_expr_call<indexmap_storage_pair,Args...>::type
      operator()( Args&&... args ) && {
       static_assert(sizeof...(Args) <= indexmap_type::rank, "Incorrect number of variable in call");// not perfect : ellipsis ...
-      return make_expr_call(std::move(*this),args...);
+      return make_expr_call(std::move(*this),std::forward<Args>(args)...);
      }
 
      // ------------------------------- clef auto assign --------------------------------------------