-     #include <functional> 
-   
-     template <class T, class... A> 
-     void foo(T&& func, A&&... args) { 
-         std::function<void()> task([func, args...] () { 
-             //... 
-         }); 
-     } 
-   
-     int main() 
-     { 
-   
-     } 
-   
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	prog.cpp: In function ‘void foo(T&&, A&& ...)’:
prog.cpp:5:47: error: expected ‘,’ before ‘...’ token
prog.cpp:5:47: error: expected identifier before ‘...’ token
prog.cpp:5:50: error: parameter packs not expanded with ‘...’:
prog.cpp:5:50: note:         ‘args’