// aux-build:legacy-const-generics.rs // run-pass #![feature(rustc_attrs)] extern crate legacy_const_generics; #[rustc_legacy_const_generics(1)] pub fn bar<const Y: usize>(x: usize, z: usize) -> [usize; 3] { [x, Y, z] } fn main() { assert_eq!(legacy_const_generics::foo(0 + 0, 1 + 1, 2 + 2), [0, 2, 4]); assert_eq!(legacy_const_generics::foo::<{1 + 1}>(0 + 0, 2 + 2), [0, 2, 4]); // FIXME: Only works cross-crate //assert_eq!(bar(0, 1, 2), [0, 1, 2]); }