rust/tests/ui/nll/issue-52213.rs
2023-01-11 09:32:08 +00:00

16 lines
282 B
Rust

fn transmute_lifetime<'a, 'b, T>(t: &'a (T,)) -> &'b T {
match (&t,) {
((u,),) => u,
//~^ ERROR lifetime may not live long enough
}
}
fn main() {
let x = {
let y = Box::new((42,));
transmute_lifetime(&y)
};
println!("{}", x);
}