rust/tests/ui/feature-gates/feature-gate-concat_idents.rs

10 lines
261 B
Rust

const XY_1: i32 = 10;
fn main() {
const XY_2: i32 = 20;
let a = concat_idents!(X, Y_1); //~ ERROR `concat_idents` is not stable
let b = concat_idents!(X, Y_2); //~ ERROR `concat_idents` is not stable
assert_eq!(a, 10);
assert_eq!(b, 20);
}