17 lines
291 B
Rust
17 lines
291 B
Rust
// run-pass
|
|
#![allow(non_camel_case_types)]
|
|
|
|
|
|
type an_int = isize;
|
|
|
|
fn cmp(x: Option<an_int>, y: Option<isize>) -> bool {
|
|
x == y
|
|
}
|
|
|
|
pub fn main() {
|
|
assert!(!cmp(Some(3), None));
|
|
assert!(!cmp(Some(3), Some(4)));
|
|
assert!(cmp(Some(3), Some(3)));
|
|
assert!(cmp(None, None));
|
|
}
|