mirror of https://github.com/rust-lang/rust
25 lines
383 B
Rust
25 lines
383 B
Rust
// Ensure macro metavariables are not compared without removing transparent
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// marks.
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#![feature(rustc_attrs)]
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//@ run-pass
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#[rustc_macro_transparency = "transparent"]
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macro_rules! k {
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($($s:tt)*) => {
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macro_rules! m {
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($y:tt) => {
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$($s)*
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}
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}
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}
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}
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k!(1 + $y);
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fn main() {
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let x = 2;
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assert_eq!(3, m!(x));
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}
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