Method should_stop

src/platforms/coroutine_runtime.h:228–228

@brief Check if stop has been requested

    /// @brief Check if stop has been requested
    bool should_stop() const FL_NOEXCEPT { return mShouldStop; }

    /// @brief Force-stop: sets both should_stop and completed flags.
    /// Used by runner and task wrappers to immediately mark a coroutine as done.