rust/tests/ui/transmute/lifetimes.rs

24 lines
470 B
Rust

//@ check-pass
use std::ptr::NonNull;
struct Foo<'a, T: ?Sized>(&'a (), NonNull<T>);
fn foo<'a, 'b, T: ?Sized>(x: Foo<'a, T>) -> Foo<'b, T> {
unsafe { std::mem::transmute(x) }
}
struct Bar<'a, T: ?Sized>(&'a T);
fn bar<'a, 'b, T: ?Sized>(x: Bar<'a, T>) -> Bar<'b, T> {
unsafe { std::mem::transmute(x) }
}
struct Boo<'a, T: ?Sized>(&'a T, u32);
fn boo<'a, 'b, T: ?Sized>(x: Boo<'a, T>) -> Boo<'b, T> {
unsafe { std::mem::transmute(x) }
}
fn main() {}