File: try-on-option-in-async.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 893,176 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (27 lines) | stat: -rw-r--r-- 505 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
//@ 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
}