All built-in dataset types, their feature flags, and typical use cases.
| Type | Load/Save types | Description |
|---|
Param<T> | T / () | Read-only parameter. Error: Infallible. |
CellDataset<T> | T / T | no_std intermediate storage. T: Copy only. |
| Type | Feature | Load/Save types | Description |
|---|
MemoryDataset<T> | std | T / T | Thread-safe in-memory storage via Arc<Mutex<_>>. |
TextDataset | std | String / String | Reads/writes plain text files. |
CacheDataset<D> | std | D::LoadItem / D::SaveItem | Caching wrapper for any dataset. |
| Type | Feature | Load/Save types | Description |
|---|
PolarsCsvDataset | polars | DataFrame / DataFrame | CSV files via Polars. Configurable separator, header, etc. |
PolarsParquetDataset | polars | DataFrame / DataFrame | Parquet files via Polars. |
PolarsExcelDataset | polars | DataFrame / — | Excel files via fastexcel. Read-only. |
JsonDataset | json | serde_json::Value / serde_json::Value | JSON files. |
YamlDataset | yaml | Vec<Yaml> / Vec<Yaml> | YAML files using yaml_rust2. |
PlotlyDataset | plotly | serde_json::Value / serde_json::Value | Plotly charts. Saves .json + .html. Custom html() for viz. |
ImageDataset | image | DynamicImage / DynamicImage | Image files via the image crate. |
| Type | Feature | Load/Save types | Description |
|---|
PartitionedDataset<D> | polars | HashMap<String, D::LoadItem> / HashMap<String, D::SaveItem> | Directory of files, eagerly loaded. |
LazyPartitionedDataset<D> | polars | HashMap<String, Lazy<D::LoadItem>> / HashMap<String, D::SaveItem> | Directory of files, lazily loaded on demand. |
| Type | Feature | Load/Save types | Description |
|---|
RegisterDataset<T> | — | T / T | Volatile memory-mapped register. T: Copy. |
GpioDataset | — | bool / bool | Single GPIO pin within a memory-mapped register. |
All file-backed datasets that support PartitionedDataset implement FileDataset:
pub trait FileDataset: Dataset + Clone {
fn path(&self) -> &str;
fn set_path(&mut self, path: &str);
}
Implementors: PolarsCsvDataset, PolarsParquetDataset, PolarsExcelDataset, TextDataset, JsonDataset.