usetokio::runtime::{Builder, Runtime};usecrate::error::Error;/// Get a [Tokio runtime] for the current thread.
/// [Tokio runtime]: https://docs.rs/tokio/1.2.0/tokio/runtime/struct.Runtime.html
pubfnget()->Result<Runtime, Error>{let rt =Builder::new_current_thread().enable_all().build()?;Ok(rt)}