rust/tests/ui/hygiene/hygienic-label-4.rs
2023-01-11 09:32:08 +00:00

8 lines
146 B
Rust

macro_rules! foo {
($e: expr) => { 'x: for _ in 0..1 { $e } }
}
pub fn main() {
foo!(break 'x); //~ ERROR use of undeclared label `'x`
}