Tracking issue for async/await (RFC 2394) #50547
Description
This is the tracking issue for RFC 2394 (rust-lang/rfcs#2394), which adds async and await syntax to the language.
I will be spearheading the implementation work of this RFC, but would appreciate mentorship as I have relatively little experience working in rustc.
TODO:
- Implement
- Stabilize Stabilize
async_awaitin Rust 1.39.0 #63209 - Document
Unresolved questions:
- Final syntax for
await. - Resolution of RFC: add futures and task system to libcore rfcs#2418
- Prevent await from creating a generator #51719
- async/await assertion failed: unbounded recursion #53249
- Missing detection of Send for async fn #53259
- async/await: “the requirement
for<'r> 'r : 'staticis not satisfied” with'staticacross await point #53548 (initially “expected bound lifetime parameter, found concrete lifetime” with'staticacross await point futures-rs#1199) - ICE with --pretty=expanded and async/await #53447
- Double-check
Tryimplementations to which we want to commit
luthfianto, yehia2amer, zengsai, EFanZh, SillyFreak and 295 moreH2CO3 and haitlahcennullmastermind, hirrolot, imclint21, LooMaclin, hexrcs and 7 morecrlf0710, kvinwang, CYBAI, alexreg, matt961 and 150 moreluthfianto, EFanZh, Terkwood, memoryruins, ebkalderon and 127 morenullmastermind, hirrolot, krinoid, raintean, imclint21 and 27 moremark-i-m, bricss, alexgtn, hirrolot, shekohex and 29 more