rust/tests/ui/drop/nondrop-cycle.rs
2024-02-16 20:02:50 +00:00

32 lines
447 B
Rust

//@ run-pass
//@ pretty-expanded FIXME #23616
use std::cell::Cell;
struct C<'a> {
p: Cell<Option<&'a C<'a>>>,
}
impl<'a> C<'a> {
fn new() -> C<'a> { C { p: Cell::new(None) } }
}
fn f1() {
let (c1, c2) = (C::new(), C::new());
c1.p.set(Some(&c2));
c2.p.set(Some(&c1));
}
fn f2() {
let (c1, c2);
c1 = C::new();
c2 = C::new();
c1.p.set(Some(&c2));
c2.p.set(Some(&c1));
}
fn main() {
f1();
f2();
}