| error: ambiguous `+` in a type |
| --> $DIR/trait-object-delimiters.rs:3:13 |
| | |
| LL | fn foo1(_: &dyn Drop + AsRef<str>) {} |
| | ^^^^^^^^^^^^^^^^^^^^^ help: use parentheses to disambiguate: `(dyn Drop + AsRef<str>)` |
| |
| error: incorrect braces around trait bounds |
| --> $DIR/trait-object-delimiters.rs:6:17 |
| | |
| LL | fn foo2(_: &dyn (Drop + AsRef<str>)) {} |
| | ^ ^ |
| | |
| help: remove the parentheses |
| | |
| LL - fn foo2(_: &dyn (Drop + AsRef<str>)) {} |
| LL + fn foo2(_: &dyn Drop + AsRef<str>) {} |
| | |
| |
| error: expected parameter name, found `{` |
| --> $DIR/trait-object-delimiters.rs:8:17 |
| | |
| LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {} |
| | ^ expected parameter name |
| |
| error: expected one of `!`, `(`, `)`, `,`, `?`, `for`, `~`, lifetime, or path, found `{` |
| --> $DIR/trait-object-delimiters.rs:8:17 |
| | |
| LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {} |
| | -^ expected one of 9 possible tokens |
| | | |
| | help: missing `,` |
| |
| error: expected identifier, found `<` |
| --> $DIR/trait-object-delimiters.rs:12:17 |
| | |
| LL | fn foo4(_: &dyn <Drop + AsRef<str>>) {} |
| | ^ expected identifier |
| |
| error: invalid `dyn` keyword |
| --> $DIR/trait-object-delimiters.rs:14:25 |
| | |
| LL | fn foo5(_: &(dyn Drop + dyn AsRef<str>)) {} |
| | ^^^ help: remove this keyword |
| | |
| = help: `dyn` is only needed at the start of a trait `+`-separated list |
| |
| error[E0225]: only auto traits can be used as additional traits in a trait object |
| --> $DIR/trait-object-delimiters.rs:3:24 |
| | |
| LL | fn foo1(_: &dyn Drop + AsRef<str>) {} |
| | ---- ^^^^^^^^^^ additional non-auto trait |
| | | |
| | first non-auto trait |
| | |
| = help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: Drop + AsRef<str> {}` |
| = 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> |
| |
| error[E0224]: at least one trait is required for an object type |
| --> $DIR/trait-object-delimiters.rs:8:13 |
| | |
| LL | fn foo3(_: &dyn {Drop + AsRef<str>}) {} |
| | ^^^ |
| |
| error[E0225]: only auto traits can be used as additional traits in a trait object |
| --> $DIR/trait-object-delimiters.rs:14:29 |
| | |
| LL | fn foo5(_: &(dyn Drop + dyn AsRef<str>)) {} |
| | ---- ^^^^^^^^^^ additional non-auto trait |
| | | |
| | first non-auto trait |
| | |
| = help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: Drop + AsRef<str> {}` |
| = 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> |
| |
| error: aborting due to 9 previous errors |
| |
| Some errors have detailed explanations: E0224, E0225. |
| For more information about an error, try `rustc --explain E0224`. |
