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  1.         template <typename Class, typename Ret, typename... Args, typename Qual>
  2.         class mem_fun_overload_element_impl<Class, Ret(Args...), Qual> {
  3.             using mem_fun_type = AddFunctionQualifiers<Ret(Class::*)(Args...), Qual>;
  4.         public:
  5.             mem_fun_overload_element_impl() = delete;
  6.             template <typename T,
  7.                       DisableIf<is_related<mem_fun_overload_element_impl, T>> = {}>
  8.             explicit mem_fun_overload_element_impl(T&& t)
  9.             : mem_fun_ptr(std::forward<T>(t)) {}
  10. #ifndef WHEELS_NO_RVALUE_THIS
  11.             template <typename Q = Qual,
  12.                       EnableIf<Not<is_rref_qualifier<Q>>> = {}>
  13. #endif // WHEELS_NO_RVALUE_THIS
  14.             Ret operator()(AddCvQualifiers<Class, Qual>& c, Args&&... args) const {
  15.                 return (c.*mem_fun_ptr)(std::forward<Args>(args)...);
  16.             }
  17. #ifndef WHEELS_NO_RVALUE_THIS
  18.             template <typename Q = Qual,
  19.                       EnableIf<Not<is_lref_qualifier<Q>>> = {}>
  20. #endif // WHEELS_NO_RVALUE_THIS
  21.             Ret operator()(AddCvQualifiers<Class, Qual>&& c, Args&&... args) const {
  22.                 return (std::move(c).*mem_fun_ptr)(std::forward<Args>(args)...);
  23.             }
  24.             Ret operator()(AddCvQualifiers<Class, Qual>* c, Args&&... args) const {
  25.                 return (c->*mem_fun_ptr)(std::forward<Args>(args)...);
  26.             }
  27.         private:
  28.             mem_fun_type mem_fun_ptr;
  29.         };
  30.  
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https://ideone.com/JYVVb
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
secret

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