Async/Await series

[rpjohnst]

I’m a fan of Kotlin’s coroutines. They’re similar in a lot of ways, though there are some important differences I’ve brought up before:

• Syntactic: https://www.reddit.com/r/rust/comments/6zy8hl/kotlins_coroutines_and_a_comparison_with_rusts/
• Semantic: Pre-RFC: CPS transform for generators