mirror of https://github.com/rust-lang/rust
20 lines
475 B
Rust
20 lines
475 B
Rust
// Ensure that lifetime parameter names are modernized before we check for
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// duplicates.
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#![feature(decl_macro, rustc_attrs)]
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#[rustc_macro_transparency = "semitransparent"]
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macro m($a:lifetime) {
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fn g<$a, 'a>() {} //~ ERROR the name `'a` is already used for a generic parameter
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}
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#[rustc_macro_transparency = "transparent"]
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macro n($a:lifetime) {
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fn h<$a, 'a>() {} //~ ERROR the name `'a` is already used for a generic parameter
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}
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m!('a);
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n!('a);
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fn main() {}
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