mirror of https://github.com/rust-lang/rust
91 lines
3.4 KiB
Plaintext
91 lines
3.4 KiB
Plaintext
error: ambiguous `+` in a type
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--> $DIR/trait-object-delimiters.rs:3:13
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LL | fn foo1(_: &dyn Drop + AsRef<str>) {}
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| ^^^^^^^^^^^^^^^^^^^^^ help: use parentheses to disambiguate: `(dyn Drop + AsRef<str>)`
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error: incorrect parentheses around trait bounds
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--> $DIR/trait-object-delimiters.rs:6:17
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LL | fn foo2(_: &dyn (Drop + AsRef<str>)) {}
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| ^ ^
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help: fix the parentheses
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LL - fn foo2(_: &dyn (Drop + AsRef<str>)) {}
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LL + fn foo2(_: &(dyn Drop + AsRef<str>)) {}
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error: incorrect parentheses around trait bounds
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--> $DIR/trait-object-delimiters.rs:8:25
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LL | fn foo2_no_space(_: &dyn(Drop + AsRef<str>)) {}
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| ^ ^
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help: fix the parentheses
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LL - fn foo2_no_space(_: &dyn(Drop + AsRef<str>)) {}
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LL + fn foo2_no_space(_: &(dyn Drop + AsRef<str>)) {}
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error: expected parameter name, found `{`
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--> $DIR/trait-object-delimiters.rs:10:17
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LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {}
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| ^ expected parameter name
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error: expected one of `!`, `(`, `)`, `*`, `,`, `?`, `async`, `const`, `for`, `~`, lifetime, or path, found `{`
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--> $DIR/trait-object-delimiters.rs:10:17
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LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {}
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| -^ expected one of 12 possible tokens
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| |
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| help: missing `,`
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error: expected identifier, found `<`
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--> $DIR/trait-object-delimiters.rs:14:17
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LL | fn foo4(_: &dyn <Drop + AsRef<str>>) {}
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| ^ expected identifier
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error: invalid `dyn` keyword
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--> $DIR/trait-object-delimiters.rs:16:25
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LL | fn foo5(_: &(dyn Drop + dyn AsRef<str>)) {}
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| ^^^ help: remove this keyword
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= help: `dyn` is only needed at the start of a trait `+`-separated list
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error[E0225]: only auto traits can be used as additional traits in a trait object
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--> $DIR/trait-object-delimiters.rs:3:24
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LL | fn foo1(_: &dyn Drop + AsRef<str>) {}
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| ---- ^^^^^^^^^^ additional non-auto trait
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| |
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| first non-auto trait
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= help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Drop + AsRef<str> {}`
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= note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
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error[E0224]: at least one trait is required for an object type
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--> $DIR/trait-object-delimiters.rs:10:13
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LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {}
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| ^^^
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error[E0225]: only auto traits can be used as additional traits in a trait object
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--> $DIR/trait-object-delimiters.rs:16:29
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LL | fn foo5(_: &(dyn Drop + dyn AsRef<str>)) {}
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| ---- ^^^^^^^^^^ additional non-auto trait
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| |
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| first non-auto trait
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= help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Drop + AsRef<str> {}`
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= note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
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error: aborting due to 10 previous errors
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Some errors have detailed explanations: E0224, E0225.
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For more information about an error, try `rustc --explain E0224`.
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