blob: 92a1bb256668b02c1e684395e980f8ebc57c0562 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
// Check that or patterns are lowered correctly in `if let` and `while let` expressions.
// run-pass
fn main() {
let mut opt = Some(3);
let mut w = Vec::new();
while let Some(ref mut val @ (3 | 4 | 6)) = opt {
w.push(*val);
*val += 1;
}
assert_eq!(w, [3, 4]);
if let &(None | Some(6 | 7)) = &opt {
unreachable!();
}
if let Some(x @ (4 | 5 | 6)) = opt {
assert_eq!(x, 5);
} else {
unreachable!();
}
}
|
