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error: expected expression, found end of macro arguments
--> $DIR/attr-invalid-exprs.rs:13:13
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LL | let _ = #[no_output] "Hello, world!";
| ^^^^^^^^^^^^
error: macro expansion ignores `,` and any tokens following
--> $DIR/attr-invalid-exprs.rs:16:13
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LL | let _ = #[duplicate] "Hello, world!";
| ^^^^^^^^^^^^ caused by the macro expansion here
|
= note: the usage of `duplicate!` is likely invalid in expression context
help: you might be missing a semicolon here
|
LL | let _ = #[duplicate]; "Hello, world!";
| +
error: macro expansion ignores `,` and any tokens following
--> $DIR/attr-invalid-exprs.rs:25:9
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LL | #[duplicate]
| ^^^^^^^^^^^^ caused by the macro expansion here
|
= note: the usage of `duplicate!` is likely invalid in expression context
help: you might be missing a semicolon here
|
LL | #[duplicate];
| +
error: aborting due to 3 previous errors
|
