Documentation needed

[bobd988]

I was trying the example ros2 bridge under examples/python-ros2- dataflow folder. As there is no instructions I assume the run.rs should do the work, so first I run rustc run.rs to compile it .
rustc is 1.71.1 and dora-cli 0.2.4

error[E0670]: async fn is not permitted in Rust 2015
--> run.rs:5:1
|
5 | async fn main() -> eyre::Result<()> {
| ^^^^^ to use async fn, switch to Rust 2018 or later
|
= help: pass --edition 2021 to rustc
= note: for more on editions, read https://doc.rust-lang.org/edition-guide

error: environment variable CARGO_MANIFEST_DIR not defined at compile time
--> run.rs:6:26
|
6 | let root = Path::new(env!("CARGO_MANIFEST_DIR"));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: Cargo sets build script variables at run time. Use std::env::var("CARGO_MANIFEST_DIR") instead
= note: this error originates in the macro env (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0432]: unresolved import eyre
--> run.rs:1:5
|
1 | use eyre::WrapErr;
| ^^^^ maybe a missing crate eyre?
|
= help: consider adding extern crate eyre to use the eyre crate

error[E0433]: failed to resolve: use of undeclared crate or module tokio
--> run.rs:4:3
|
4 | #[tokio::main]
| ^^^^^ use of undeclared crate or module tokio

error[E0433]: failed to resolve: use of undeclared crate or module dora_daemon
--> run.rs:11:5
|
11 | dora_daemon::Daemon::run_dataflow(dataflow).await?;
| ^^^^^^^^^^^ use of undeclared crate or module dora_daemon

error[E0599]: no method named wrap_err found for enum Result in the current scope
--> run.rs:8:10
|
7 | / std::env::set_current_dir(root.join(file!()).parent().unwrap())
8 | | .wrap_err("failed to set working dir")?;
| | -^^^^^^^^ help: there is a method with a similar name: unwrap_err
| |_________|
|

error[E0752]: main function is not allowed to be async
--> run.rs:5:1
|
5 | async fn main() -> eyre::Result<()> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ main function is not allowed to be async

error[E0433]: failed to resolve: use of undeclared crate or module eyre
--> run.rs:5:20
|
5 | async fn main() -> eyre::Result<()> {
| ^^^^ use of undeclared crate or module eyre

error: aborting due to 8 previous errors

Some errors have detailed explanations: E0432, E0433, E0599, E0670, E0752.
For more information about an error, try rustc --explain E0432.

[haixuanTao]

Good point! I'll work on that!