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Namely, use a more sensical primary span. Don't pretty-print AST nodes for the diagnostic message. Why: * It's lossy (e.g., it doesn't replicate trailing `+`s in trait objects. * It's prone to leak error nodes (printed as `(/*ERROR*/)`) since the LHS can easily represent recovered code (e.g., `fn(i32?) + T`).
28 lines
890 B
Plaintext
28 lines
890 B
Plaintext
error[E0178]: expected a path on the left-hand side of `+`
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--> $DIR/trait-object-bad-parens.rs:8:16
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LL | let _: Box<((Auto)) + Auto>;
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| ^^^^^^^^ expected a path
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error[E0178]: expected a path on the left-hand side of `+`
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--> $DIR/trait-object-bad-parens.rs:9:16
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LL | let _: Box<(Auto + Auto) + Auto>;
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| ^^^^^^^^^^^^^ expected a path
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error[E0178]: expected a path on the left-hand side of `+`
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--> $DIR/trait-object-bad-parens.rs:10:16
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LL | let _: Box<(Auto +) + Auto>;
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| ^^^^^^^^ expected a path
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error[E0178]: expected a path on the left-hand side of `+`
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--> $DIR/trait-object-bad-parens.rs:11:16
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LL | let _: Box<(dyn Auto) + Auto>;
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| ^^^^^^^^^^ expected a path
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error: aborting due to 4 previous errors
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For more information about this error, try `rustc --explain E0178`.
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