Function test

modules/core/task/include/SkrTask/fib_task.hpp:42–42

        void add(const unsigned int x) { internal->Add(x); }
        void decrement() { internal->Decrement(); }
        bool test() const { return internal->Done(); }
        size_t hash() const { return std::hash<void*>{}(internal.get()); }
        explicit operator bool() const { return (bool)internal; }
    private: