projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 6a06907d XL |
1 | warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes |
| 2 | --> $DIR/issue-57611-trait-alias.rs:8:32 | |
| 3 | | | |
| 4 | LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] | |
| 5 | | ^^^^^^^^^^^^^^^^^^^^^ | |
| 6 | | | |
| 7 | = note: `#[warn(incomplete_features)]` on by default | |
| 8 | = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information | |
| 9 | ||
| 10 | error: implementation of `FnOnce` is not general enough | |
| 11 | --> $DIR/issue-57611-trait-alias.rs:20:16 | |
| 12 | | | |
| 13 | LL | type Bar = impl Baz<Self, Self>; | |
| 14 | | ^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough | |
| 15 | | | |
| 16 | = note: closure with signature `fn(&'2 X) -> &X` must implement `FnOnce<(&'1 X,)>`, for any lifetime `'1`... | |
| 17 | = note: ...but it actually implements `FnOnce<(&'2 X,)>`, for some specific lifetime `'2` | |
| 18 | ||
| 19 | error[E0308]: mismatched types | |
| 20 | --> $DIR/issue-57611-trait-alias.rs:20:16 | |
| 21 | | | |
| 22 | LL | type Bar = impl Baz<Self, Self>; | |
| 23 | | ^^^^^^^^^^^^^^^^^^^^ one type is more general than the other | |
| 24 | | | |
| 25 | = note: expected type `for<'r> Fn<(&'r X,)>` | |
| 26 | found type `Fn<(&'<empty> X,)>` | |
| 27 | note: this closure does not fulfill the lifetime requirements | |
| 28 | --> $DIR/issue-57611-trait-alias.rs:28:9 | |
| 29 | | | |
| 30 | LL | |x| x | |
| 31 | | ^^^^^ | |
| 32 | ||
| 33 | error: implementation of `FnOnce` is not general enough | |
| 34 | --> $DIR/issue-57611-trait-alias.rs:20:16 | |
| 35 | | | |
| 36 | LL | type Bar = impl Baz<Self, Self>; | |
| 37 | | ^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough | |
| 38 | | | |
| 39 | = note: closure with signature `fn(&'2 X) -> &'2 X` must implement `FnOnce<(&'1 X,)>`, for any lifetime `'1`... | |
| 40 | = note: ...but it actually implements `FnOnce<(&'2 X,)>`, for some specific lifetime `'2` | |
| 41 | ||
| 42 | error[E0308]: mismatched types | |
| 43 | --> $DIR/issue-57611-trait-alias.rs:20:16 | |
| 44 | | | |
| 45 | LL | type Bar = impl Baz<Self, Self>; | |
| 46 | | ^^^^^^^^^^^^^^^^^^^^ one type is more general than the other | |
| 47 | | | |
| 48 | = note: expected type `for<'r> Fn<(&'r X,)>` | |
| 49 | found type `Fn<(&'<empty> X,)>` | |
| 50 | note: this closure does not fulfill the lifetime requirements | |
| 51 | --> $DIR/issue-57611-trait-alias.rs:28:9 | |
| 52 | | | |
| 53 | LL | |x| x | |
| 54 | | ^^^^^ | |
| 55 | ||
| 56 | error: implementation of `FnOnce` is not general enough | |
| 57 | --> $DIR/issue-57611-trait-alias.rs:20:16 | |
| 58 | | | |
| 59 | LL | type Bar = impl Baz<Self, Self>; | |
| 60 | | ^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough | |
| 61 | | | |
| 62 | = note: closure with signature `fn(&'2 X) -> &'2 X` must implement `FnOnce<(&'1 X,)>`, for any lifetime `'1`... | |
| 63 | = note: ...but it actually implements `FnOnce<(&'2 X,)>`, for some specific lifetime `'2` | |
| 64 | ||
| 65 | error: aborting due to 5 previous errors; 1 warning emitted | |
| 66 | ||
| 67 | For more information about this error, try `rustc --explain E0308`. |