The example is intended for you to be able to implement it, not as a showcase. I think the expectation with Rust async-await at the moment is likely that peopl

The example is intended for you to be able to implement it, not as a showcase. I think the expectation with Rust async-await at the moment is likely that people are familiar with async syntax from other languages e.g. Python - it's not even in beta yet, you need to be running nightly to get the syntax.