Function ggml_opt_dataset_init 

pub unsafe extern "C" fn ggml_opt_dataset_init(
    type_data: ggml_type,
    type_label: ggml_type,
    ne_datapoint: i64,
    ne_label: i64,
    ndata: i64,
    ndata_shard: i64,
) -> ggml_opt_dataset_t