rust/tests/ui/async-await/async-borrowck-escaping-blo...

19 lines
358 B
Rust

//@ edition:2018
//@ run-rustfix
fn test_boxed() -> Box<impl std::future::Future<Output = u32>> {
let x = 0u32;
Box::new(async move { x } )
//~^ ERROR E0373
}
fn test_ref(x: &u32) -> impl std::future::Future<Output = u32> + '_ {
async move { *x }
//~^ ERROR E0373
}
fn main() {
let _ = test_boxed();
let _ = test_ref(&0u32);
}