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14 lines
353 B
Rust
14 lines
353 B
Rust
// aux-build:test-macros.rs
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#[macro_use(Empty)]
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extern crate test_macros;
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use test_macros::empty_attr as empty_helper;
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#[empty_helper] //~ ERROR `empty_helper` is ambiguous
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//~| WARN derive helper attribute is used before it is introduced
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//~| WARN this was previously accepted
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#[derive(Empty)]
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struct S;
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fn main() {}
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