blob: d72e1efc4d74ce08cf449c47065b005781e16b59 (
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
|
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
struct Foo;
trait HasNum {
const NUM: isize;
}
impl HasNum for Foo {
const NUM: isize = 1;
}
fn main() {
assert!(match 2 {
Foo::NUM ... 3 => true,
_ => false,
});
assert!(match 0 {
-1 ... <Foo as HasNum>::NUM => true,
_ => false,
});
assert!(match 1 {
<Foo as HasNum>::NUM ... <Foo>::NUM => true,
_ => false,
});
}
|