rust/tests/ui/associated-consts/associated-const-range-matc...

41 lines
780 B
Rust

//@ run-pass
#![allow(dead_code, unreachable_patterns)]
#![allow(ellipsis_inclusive_range_patterns)]
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,
});
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,
});
}