Async-await on stable Rust! | Rust Blog

On this coming Thursday, November 7, async-await syntax hits stable Rust, as part of the 1.39.0 release. This work has been a long time in development -- the key ideas for zero-cost futures, for example, were first proposed by Aaron Turon and Alex Crichton in 2016! -- and we are very proud of the end result. We believe that Async I/O is going to be an increasingly important part of Rust's story. W

[ruicc]

“futures feel "lazy": they don't do anything until you await them.”

[uehaj]

in Rust, calling an async function does not do any scheduling in and of itself, which means that we can compose a complex nest of futures without incurring a per-future cost.

[tanakh]

ついに来たのか(´･_･`)

[soy-curd]

Zero-cost futures