mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 23:12:02 +00:00
29 lines
532 B
Rust
29 lines
532 B
Rust
#![feature(async_closure)]
|
|
//@ edition:2018
|
|
fn main() {}
|
|
|
|
async fn an_async_block() -> u32 {
|
|
async {
|
|
let x: Option<u32> = None;
|
|
x?; //~ ERROR the `?` operator
|
|
22
|
|
}
|
|
.await
|
|
}
|
|
|
|
async fn async_closure_containing_fn() -> u32 {
|
|
let async_closure = async || {
|
|
let x: Option<u32> = None;
|
|
x?; //~ ERROR the `?` operator
|
|
22_u32
|
|
};
|
|
|
|
async_closure().await
|
|
}
|
|
|
|
async fn an_async_function() -> u32 {
|
|
let x: Option<u32> = None;
|
|
x?; //~ ERROR the `?` operator
|
|
22
|
|
}
|