mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-12 16:45:37 +00:00
32 lines
780 B
Rust
32 lines
780 B
Rust
struct Foo1<const N1: usize>;
|
|
struct Foo2<const N1: usize, const N2: usize>;
|
|
struct Foo3<const N1: usize, const N2: usize, const N3: usize>;
|
|
|
|
impl<const N1: usize> Foo1<N1> {
|
|
const SUM: usize = N1;
|
|
}
|
|
|
|
impl<const N1: usize, const N2: usize> Foo2<N1, N2> {
|
|
const SUM: usize = N1 + N2;
|
|
}
|
|
|
|
impl<const N1: usize, const N2: usize, const N3: usize> Foo3<N1, N2, N3> {
|
|
const SUM: usize = N1 + N2 + N3;
|
|
}
|
|
|
|
fn foo1() -> [(); Foo1<10>::SUM] { //~ ERROR: comparison operators cannot be chained
|
|
todo!()
|
|
}
|
|
|
|
fn foo2() -> [(); Foo2<10, 20>::SUM] {
|
|
//~^ ERROR: expected one of `.`, `?`, `]`, or an operator, found `,`
|
|
todo!()
|
|
}
|
|
|
|
fn foo3() -> [(); Foo3<10, 20, 30>::SUM] {
|
|
//~^ ERROR: expected one of `.`, `?`, `]`, or an operator, found `,`
|
|
todo!()
|
|
}
|
|
|
|
fn main() {}
|