rust/tests/ui/associated-consts/associated-const-cross-crate-const-eval.rs
2024-02-16 20:02:50 +00:00

29 lines
663 B
Rust

//@ run-pass
//@ aux-build:associated-const-cc-lib.rs
extern crate associated_const_cc_lib as foolib;
pub struct LocalFoo;
impl foolib::Foo for LocalFoo {
const BAR: usize = 1;
}
const FOO_1: usize = <foolib::FooNoDefault as foolib::Foo>::BAR;
const FOO_2: usize = <LocalFoo as foolib::Foo>::BAR;
const FOO_3: usize = foolib::InherentBar::BAR;
fn main() {
assert_eq!(0, FOO_1);
assert_eq!(1, FOO_2);
assert_eq!(3, FOO_3);
match 0 {
<foolib::FooNoDefault as foolib::Foo>::BAR => {},
<LocalFoo as foolib::Foo>::BAR => assert!(false),
foolib::InherentBar::BAR => assert!(false),
_ => assert!(false)
}
}