#![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 | |
} |