rust/tests/ui/async-await/try-on-option-in-async.rs

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2022-01-19 09:24:49 -06:00
#![feature(async_closure)]
// edition:2018
fn main() {}
async fn an_async_block() -> u32 {
async {
let x: Option<u32> = None;
x?; //~ ERROR the `?` operator
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}
.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
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}