rust/tests/crashes/117696-1.rs
2024-04-14 11:21:51 +02:00

30 lines
400 B
Rust

//@ known-bug: #117696
fn main() {
let mut it = (Empty);
rec(&mut it);
}
struct Empty;
impl Iterator for Empty {
type Item = ();
fn next<'a>(&'a mut self) -> core::option::Option<()> {
None
}
}
fn identity<T>(x: T) -> T {
x
}
fn rec<T>(mut it: T)
where
T: Iterator,
{
if () == () {
T::count(it);
} else {
rec(identity(&mut it))
}
}