pub fn gridfm_scenario_ids(dir: impl AsRef<Path>) -> Result<Vec<i64>>Expand description
The distinct scenario ids in a gridfm dataset, ascending — the keys
read_gridfm_scenarios rebuilds a Network for. Reads only bus_data’s
scenario column, so it enumerates a dataset’s scenarios without rebuilding
every network; the C ABI’s pio_gridfm_scenario_ids is a thin wrapper over it.
§Errors
Propagates the directory resolution and bus_data.parquet read errors.