rust/tests/ui/regions/regions-nested-fns.rs
2023-01-11 09:32:08 +00:00

25 lines
618 B
Rust

fn ignore<T>(t: T) {}
fn nested<'x>(x: &'x isize) {
let y = 3;
let mut ay = &y;
//~^ ERROR `y` does not live long enough [E0597]
ignore::<Box<dyn for<'z> FnMut(&'z isize)>>(Box::new(|z| {
ay = x;
ay = &y;
//~^ ERROR `y` does not live long enough
ay = z;
//~^ ERROR borrowed data escapes outside of closure [E0521]
}));
ignore::< Box<dyn for<'z> FnMut(&'z isize) -> &'z isize>>(Box::new(|z| {
if false { return x; }
//~^ ERROR lifetime may not live long enough
if false { return ay; }
return z;
}));
}
fn main() {}