Function lightgbm_sys::LGBM_BoosterUpdateOneIter

pub unsafe extern "C" fn LGBM_BoosterUpdateOneIter(
    handle: BoosterHandle, 
    is_finished: *mut c_int
) -> c_int

\brief Update the model for one iteration. \param handle Handle of booster \param[out] is_finished 1 means the update was successfully finished (cannot split any more), 0 indicates failure \return 0 when succeed, -1 when failure happens