Error(s):

source_file.cpp: In instantiation of ‘void* S::make_invoker() [with TFunc = void (S::*)(int); TFunc Func = &S::func; TArgs = {int}]’:
source_file.cpp:10:51:   required from here
source_file.cpp:15:3: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’
   Invoke(TArgs&&... Args) {
   ^
source_file.cpp:15:3: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’
source_file.cpp:25:13: error: unable to deduce ‘auto’ from ‘Invoke<void (S::*)(int), &S::func, std::result_of_t<void (S::*(S*, int))(int)>, int>’
   auto fn = Invoke<TFunc, Func, std::result_of_t<TFunc(S*, TArgs...)>, TArgs...>;
             ^
source_file.cpp: In member function ‘void* S::make_invoker() [with TFunc = void (S::*)(int); TFunc Func = &S::func; TArgs = {int}]’:
source_file.cpp:27:2: warning: control reaches end of non-void function [-Wreturn-type]
  }
  ^