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
44
45
46
47
48
|
// run-pass
// Test that codegen works correctly when there are multiple refutable
// patterns in match expression.
enum Foo {
FooUint(usize),
FooNullary,
}
fn main() {
let r = match (Foo::FooNullary, 'a') {
(Foo::FooUint(..), 'a'..='z') => 1,
(Foo::FooNullary, 'x') => 2,
_ => 0
};
assert_eq!(r, 0);
let r = match (Foo::FooUint(0), 'a') {
(Foo::FooUint(1), 'a'..='z') => 1,
(Foo::FooUint(..), 'x') => 2,
(Foo::FooNullary, 'a') => 3,
_ => 0
};
assert_eq!(r, 0);
let r = match ('a', Foo::FooUint(0)) {
('a'..='z', Foo::FooUint(1)) => 1,
('x', Foo::FooUint(..)) => 2,
('a', Foo::FooNullary) => 3,
_ => 0
};
assert_eq!(r, 0);
let r = match ('a', 'a') {
('a'..='z', 'b') => 1,
('x', 'a'..='z') => 2,
_ => 0
};
assert_eq!(r, 0);
let r = match ('a', 'a') {
('a'..='z', 'b') => 1,
('x', 'a'..='z') => 2,
('a', 'a') => 3,
_ => 0
};
assert_eq!(r, 3);
}
|
