Dartggml_opt_epoch_callbackFunction typedef
        Dartggml_opt_epoch_callbackFunction =
     void Function(bool train, ggml_opt_context_t opt_ctx, ggml_opt_dataset_t dataset, ggml_opt_result_t result, int ibatch, int ibatch_max, int t_start_us)
    
    
    
Implementation
typedef Dartggml_opt_epoch_callbackFunction = void Function(
    bool train,
    ggml_opt_context_t opt_ctx,
    ggml_opt_dataset_t dataset,
    ggml_opt_result_t result,
    int ibatch,
    int ibatch_max,
    int t_start_us);