LWG3764 reference_wrapper::operator() should propagate noexcept

Author: burblebee

source/utilities.tex

@@ -10188,7 +10188,8 @@
 
     // \ref{refwrap.invoke}, invocation
     template<class... ArgTypes>
-      constexpr invoke_result_t<T&, ArgTypes...> operator()(ArgTypes&&...) const;
+      constexpr invoke_result_t<T&, ArgTypes...> operator()(ArgTypes&&...) const
+        noexcept(is_nothrow_invocable_v<T&, ArgTypes...>);
   };
 
   template<class T>
@@ -10297,7 +10298,7 @@
 \begin{itemdecl}
 template<class... ArgTypes>
   constexpr invoke_result_t<T&, ArgTypes...>
-    operator()(ArgTypes&&... args) const;
+    operator()(ArgTypes&&... args) const noexcept(is_nothrow_invocable_v<T&, ArgTypes...>);
 \end{itemdecl}
 
 \begin{itemdescr}