Function xgboost_sys::XGBoosterLoadRabitCheckpoint

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

\brief Initialize the booster from rabit checkpoint. This is used in distributed training API. \param handle handle \param version The output version of the model. \return 0 when success, -1 when failure happens