diff --git a/src/type_traits b/src/type_traits
index fa1de40c..8124f4ea 100644
--- a/src/type_traits
+++ b/src/type_traits
@@ -82,8 +82,9 @@ namespace std{
 		typedef __true_type value;
 	};
 
-
-
+	template<typename T> struct remove_reference                  { typedef T type; };
+	template<typename T> struct remove_reference<T&>              { typedef T type; };
+	template<typename T> struct remove_reference<T&&>             { typedef T type; };
 }
 
 #pragma GCC visibility pop
diff --git a/src/utility b/src/utility
index b6546792..198d8ed0 100644
--- a/src/utility
+++ b/src/utility
@@ -56,7 +56,7 @@ namespace std{
 		pair(const T1& x, const T2& y) : first(x), second(y) {  }
 		template<class U, class V> pair(const pair<U, V> &p) : first(p.first), second(p.second) { }
 	};
-	
+
 	template <class T1, class T2> bool operator==(const pair<T1,T2>& x, const pair<T1,T2>& y){
 		using namespace rel_ops;
 		return (x.first == y.first && x.second==y.second);
@@ -79,8 +79,18 @@ namespace std{
 	template <class T1, class T2> pair<T1,T2> make_pair(const T1& x, const T2& y){
 		return pair<T1,T2>(x, y);
 	}
+}
 
+#include <type_traits>
 
+namespace std {
+	template <class T> constexpr T&& forward(typename std::remove_reference<T>::type& t) noexcept{
+		return static_cast<T&&>(t);
+	}
+	template <class T> constexpr T&& forward(typename std::remove_reference<T>::type&& t) noexcept{
+		//static_assert(!std::is_lvalue_reference<T>::value, "Can not forward an rvalue as an lvalue.");
+		return static_cast<T&&>(t);
+	}
 }
 
 #pragma GCC visibility pop