scopeguard – Tarik Billa

Does ScopeGuard use really lead to better code?

December 8, 2023 by Tarik

It definitely improves your code. Your tentatively formulated claim, that it’s obscure and that code would merit from a catch block is simply not true in C++ because RAII is an established idiom. Resource handling in C++ is done by resource acquisition and garbage collection is done by implicit destructor calls. On the other hand, … Read more

The simplest and neatest c++11 ScopeGuard

May 19, 2023 by Tarik

Even shorter: I don’t know why you guys insist on putting the template on the guard class. #include <functional> class scope_guard { public: template<class Callable> scope_guard(Callable && undo_func) try : f(std::forward<Callable>(undo_func)) { } catch(…) { undo_func(); throw; } scope_guard(scope_guard && other) : f(std::move(other.f)) { other.f = nullptr; } ~scope_guard() { if(f) f(); // must not … Read more