#pragma once
#include <functional>
namespace utils {
/**
* Calls a function in it's destructor (on scope exit).
*
* Example usage:
* void long_function() {
* resource.enable();
* // long block of code, might throw an exception
* resource.disable(); // we want this to happen for sure, and function end
* }
* Can be nicer and safer:
* OnScopeExit on_exit([&resource] { resource.disable(); });
* // long block of code, might trow an exception
*/
class OnScopeExit {
public:
explicit OnScopeExit(const std::function<void()> &function) : function_(function) {}
~OnScopeExit() { function_(); }
private:
std::function<void()> function_;
};
} // namespace utils
