17 lines
320 B
Rust
17 lines
320 B
Rust
|
//@ run-pass
|
||
|
|
#![allow(dead_code)]
|
||
|
|
|
||
|
|
// Making sure that no overflow occurs.
|
||
|
|
|
||
|
|
struct L<T> {
|
||
|
|
n: Option<T>,
|
||
|
|
}
|
||
|
|
type L8<T> = L<L<L<L<L<L<L<L<T>>>>>>>>;
|
||
|
|
type L64<T> = L8<L8<L8<L8<T>>>>;
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
use std::mem::size_of;
|
||
|
|
assert_eq!(size_of::<L64<L64<()>>>(), 1);
|
||
|
|
assert_eq!(size_of::<L<L64<L64<()>>>>(), 1);
|
||
|
|
}
|