blob: b716fc870e071b3ab41cbe7cda725a771fb4c3c5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// run-pass
struct A { a: Box<i32> }
impl A {
fn get(&self) -> i32 { *self.a }
}
fn foo(n: i32) -> i32 {
let x = A { a: Box::new(n) };
let y = match x {
A { a: v } if *v == 42 => v,
_ => Box::new(0),
};
*y
}
fn bar(n: i32) -> i32 {
let x = A { a: Box::new(n) };
let y = match x {
A { a: v } if x.get() == 42 => v,
_ => Box::new(0),
};
*y
}
fn baz(n: i32) -> i32 {
let x = A { a: Box::new(n) };
let y = match x {
A { a: v } if *v.clone() == 42 => v,
_ => Box::new(0),
};
*y
}
fn main() {
assert_eq!(foo(107), 0);
assert_eq!(foo(42), 42);
assert_eq!(bar(107), 0);
assert_eq!(bar(42), 42);
assert_eq!(baz(107), 0);
assert_eq!(baz(42), 42);
}
|