()
| 76 | |
| 77 | #[tokio::main] |
| 78 | async fn main() -> Result<()> { |
| 79 | let usage = format!( |
| 80 | "Usage: cargo run --example {} -- [{}]", |
| 81 | ExampleKind::EXAMPLE_NAME, |
| 82 | ExampleKind::VARIANTS.join("|") |
| 83 | ); |
| 84 | |
| 85 | let example: ExampleKind = std::env::args() |
| 86 | .nth(1) |
| 87 | .unwrap_or_else(|| ExampleKind::All.to_string()) |
| 88 | .parse() |
| 89 | .map_err(|_| DataFusionError::Execution(format!("Unknown example. {usage}")))?; |
| 90 | |
| 91 | example.run().await |
| 92 | } |