rust/tests/ui/nll/issue-75777.rs

16 lines
461 B
Rust

// Regression test for #75777.
// Checks that a boxed future can be properly constructed.
use std::future::{self, Future};
use std::pin::Pin;
type BoxFuture<'a, T> = Pin<Box<dyn Future<Output = T> + 'a + Send>>;
fn inject<'a, Env: 'a, A: 'a + Send>(v: A) -> Box<dyn FnOnce(&'a Env) -> BoxFuture<'a, A>> {
let fut: BoxFuture<'a, A> = Box::pin(future::ready(v));
Box::new(move |_| fut)
//~^ ERROR: lifetime may not live long enough
}
fn main() {}