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9 lines
252 B
Plaintext
9 lines
252 B
Plaintext
error: the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro` crate type
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--> $DIR/proc_macro_bug.rs:8:1
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LL | #[proc_macro_derive(DeriveA)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 1 previous error
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