projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 17df50a5 XL |
1 | error: ambiguous `+` in a type |
| 2 | --> $DIR/trait-object-delimiters.rs:3:13 | |
| 3 | | | |
| 4 | LL | fn foo1(_: &dyn Drop + AsRef<str>) {} | |
| 5 | | ^^^^^^^^^^^^^^^^^^^^^ help: use parentheses to disambiguate: `(dyn Drop + AsRef<str>)` | |
| 6 | ||
| 7 | error: incorrect braces around trait bounds | |
| 8 | --> $DIR/trait-object-delimiters.rs:6:17 | |
| 9 | | | |
| 10 | LL | fn foo2(_: &dyn (Drop + AsRef<str>)) {} | |
| 11 | | ^ ^ | |
| 12 | | | |
| 13 | help: remove the parentheses | |
| 14 | | | |
| 94222f64 XL |
15 | LL - fn foo2(_: &dyn (Drop + AsRef<str>)) {} |
| 16 | LL + fn foo2(_: &dyn Drop + AsRef<str>) {} | |
| 923072b8 | 17 | | |
| 17df50a5 XL |
18 | |
| 19 | error: expected parameter name, found `{` | |
| 20 | --> $DIR/trait-object-delimiters.rs:8:17 | |
| 21 | | | |
| 22 | LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {} | |
| 23 | | ^ expected parameter name | |
| 24 | ||
| 94222f64 | 25 | error: expected one of `!`, `(`, `)`, `,`, `?`, `for`, `~`, lifetime, or path, found `{` |
| 17df50a5 XL |
26 | --> $DIR/trait-object-delimiters.rs:8:17 |
| 27 | | | |
| 28 | LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {} | |
| 94222f64 | 29 | | -^ expected one of 9 possible tokens |
| 17df50a5 XL |
30 | | | |
| 31 | | help: missing `,` | |
| 32 | ||
| 33 | error: expected identifier, found `<` | |
| 34 | --> $DIR/trait-object-delimiters.rs:12:17 | |
| 35 | | | |
| 36 | LL | fn foo4(_: &dyn <Drop + AsRef<str>>) {} | |
| 37 | | ^ expected identifier | |
| 38 | ||
| 39 | error: invalid `dyn` keyword | |
| 40 | --> $DIR/trait-object-delimiters.rs:14:25 | |
| 41 | | | |
| 42 | LL | fn foo5(_: &(dyn Drop + dyn AsRef<str>)) {} | |
| 43 | | ^^^ help: remove this keyword | |
| 44 | | | |
| 45 | = help: `dyn` is only needed at the start of a trait `+`-separated list | |
| 46 | ||
| 47 | error[E0225]: only auto traits can be used as additional traits in a trait object | |
| 48 | --> $DIR/trait-object-delimiters.rs:3:24 | |
| 49 | | | |
| 50 | LL | fn foo1(_: &dyn Drop + AsRef<str>) {} | |
| 51 | | ---- ^^^^^^^^^^ additional non-auto trait | |
| 52 | | | | |
| 53 | | first non-auto trait | |
| 54 | | | |
| c295e0f8 | 55 | = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Drop + AsRef<str> {}` |
| 17df50a5 XL |
56 | = 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> |
| 57 | ||
| 58 | error[E0224]: at least one trait is required for an object type | |
| 59 | --> $DIR/trait-object-delimiters.rs:8:13 | |
| 60 | | | |
| 61 | LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {} | |
| 62 | | ^^^ | |
| 63 | ||
| 64 | error[E0225]: only auto traits can be used as additional traits in a trait object | |
| 65 | --> $DIR/trait-object-delimiters.rs:14:29 | |
| 66 | | | |
| 67 | LL | fn foo5(_: &(dyn Drop + dyn AsRef<str>)) {} | |
| 68 | | ---- ^^^^^^^^^^ additional non-auto trait | |
| 69 | | | | |
| 70 | | first non-auto trait | |
| 71 | | | |
| c295e0f8 | 72 | = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Drop + AsRef<str> {}` |
| 17df50a5 XL |
73 | = 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> |
| 74 | ||
| 75 | error: aborting due to 9 previous errors | |
| 76 | ||
| 77 | Some errors have detailed explanations: E0224, E0225. | |
| 78 | For more information about an error, try `rustc --explain E0224`. |