rust/tests/ui/macros/for-loop-macro-rules-hygiene.rs
2025-08-09 16:27:20 +05:00

13 lines
267 B
Rust

//! Regression test for https://github.com/rust-lang/rust/issues/15189
//@ run-pass
macro_rules! third {
($e:expr) => ({let x = 2; $e[x]})
}
fn main() {
let x = vec![10_usize,11_usize,12_usize,13_usize];
let t = third!(x);
assert_eq!(t,12_usize);
}