make_* functions are no longer necessary in C++17 which adds "Class template argument deduction" [1]. You can now do std::pair p{"aaa", 123}; and Finally

make_* functions are no longer necessary in C++17 which adds "Class template argument deduction" [1]. You can now do std::pair p{"aaa", 123}; and Finally guard{[]{cleanup();}}; without specifying template arguments. [1] https://en.cppreference.com/w/cpp/language/class_template_argument_deduction https://en.cppreference.com/w/cpp/language/class_template_ar...