mirror of https://github.com/rust-lang/rust
84 lines
3.0 KiB
Plaintext
84 lines
3.0 KiB
Plaintext
error: malformed `rustc_on_unimplemented` attribute input
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--> $DIR/bad-annotation.rs:17:1
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LL | #[rustc_on_unimplemented]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^
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help: the following are the possible correct uses
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LL | #[rustc_on_unimplemented = "message"]
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LL | #[rustc_on_unimplemented(/*opt*/ message = "...", /*opt*/ label = "...", /*opt*/ note = "...")]
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error[E0230]: there is no parameter `C` on trait `BadAnnotation2`
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--> $DIR/bad-annotation.rs:22:1
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LL | #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{C}>`"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0231]: only named generic parameters are allowed
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--> $DIR/bad-annotation.rs:27:1
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LL | #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{}>`"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0232]: this attribute must have a valid value
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--> $DIR/bad-annotation.rs:32:26
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LL | #[rustc_on_unimplemented(lorem="")]
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| ^^^^^^^^ expected value here
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= note: eg `#[rustc_on_unimplemented(message="foo")]`
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error[E0232]: this attribute must have a valid value
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--> $DIR/bad-annotation.rs:36:26
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LL | #[rustc_on_unimplemented(lorem(ipsum(dolor)))]
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| ^^^^^^^^^^^^^^^^^^^ expected value here
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= note: eg `#[rustc_on_unimplemented(message="foo")]`
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error[E0232]: this attribute must have a valid value
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--> $DIR/bad-annotation.rs:40:39
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LL | #[rustc_on_unimplemented(message="x", message="y")]
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| ^^^^^^^^^^^ expected value here
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= note: eg `#[rustc_on_unimplemented(message="foo")]`
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error[E0232]: this attribute must have a valid value
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--> $DIR/bad-annotation.rs:44:39
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LL | #[rustc_on_unimplemented(message="x", on(desugared, message="y"))]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected value here
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= note: eg `#[rustc_on_unimplemented(message="foo")]`
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error[E0232]: empty `on`-clause in `#[rustc_on_unimplemented]`
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--> $DIR/bad-annotation.rs:48:26
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LL | #[rustc_on_unimplemented(on(), message="y")]
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| ^^^^ empty on-clause here
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error[E0232]: this attribute must have a valid value
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--> $DIR/bad-annotation.rs:52:26
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LL | #[rustc_on_unimplemented(on="x", message="y")]
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| ^^^^^^ expected value here
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= note: eg `#[rustc_on_unimplemented(message="foo")]`
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error[E0232]: this attribute must have a valid value
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--> $DIR/bad-annotation.rs:59:40
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LL | #[rustc_on_unimplemented(on(desugared, on(desugared, message="x")), message="y")]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected value here
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= note: eg `#[rustc_on_unimplemented(message="foo")]`
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error: aborting due to 10 previous errors
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Some errors have detailed explanations: E0230, E0231, E0232.
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For more information about an error, try `rustc --explain E0230`.
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