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rust/src/test/ui/impl-trait/equality.stderr

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warn against 'specialization' feature
2020-05-17 08:22:48 +00:00
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/equality.rs:1:12
|
LL | #![feature(specialization)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
Suggest minimal subset features in `incomplete_features` lint
2020-10-13 23:35:32 +00:00
= help: consider using `min_specialization` instead, which is more stable and complete
warn against 'specialization' feature
2020-05-17 08:22:48 +00:00
Explicit help message for binop type missmatch When trying to do a binary operation with missing implementation, for example `1 + Some(2)`, provide an explicit help message: ``` note: no implementation for `{integer} + std::option::Option<{integer}>` ``` Use `rustc_on_unimplemented` for the suggestions. Move cfail test to ui.
2017-04-10 21:17:49 +00:00
error[E0308]: mismatched types
Remove licenses
2018-12-25 15:56:47 +00:00
--> $DIR/equality.rs:15:5
Explicit help message for binop type missmatch When trying to do a binary operation with missing implementation, for example `1 + Some(2)`, provide an explicit help message: ``` note: no implementation for `{integer} + std::option::Option<{integer}>` ``` Use `rustc_on_unimplemented` for the suggestions. Move cfail test to ui.
2017-04-10 21:17:49 +00:00
|
Eagerly merge hidden types.
2022-01-26 14:47:03 +00:00
LL | fn two(x: bool) -> impl Foo {
Revert to inference variable based hidden type computation for RPIT
2022-02-16 15:48:46 +00:00
| -------- expected `_` because of return type
Revert "Auto merge of #93893 - oli-obk:sad_revert, r=oli-obk" This reverts commit 6499c5e7fc173a3f55b7a3bd1e6a50e9edef782d, reversing changes made to 78450d2d602b06d9b94349aaf8cece1a4acaf3a8.
2022-02-14 16:10:22 +00:00
...
Update UI tests
2018-02-23 00:42:32 +00:00
LL | 0_u32
Surround types with backticks in type errors
2019-11-15 17:37:01 +00:00
| ^^^^^ expected `i32`, found `u32`
Explicit help message for binop type missmatch When trying to do a binary operation with missing implementation, for example `1 + Some(2)`, provide an explicit help message: ``` note: no implementation for `{integer} + std::option::Option<{integer}>` ``` Use `rustc_on_unimplemented` for the suggestions. Move cfail test to ui.
2017-04-10 21:17:49 +00:00
Add filtering options to `rustc_on_unimplemented` - filter error on the evaluated value of `Self` - filter error on the evaluated value of the type arguments - add argument to include custom note in diagnostic - allow the parser to parse `Self` when processing attributes - add custom message to binops
2018-01-20 03:57:10 +00:00
error[E0277]: cannot add `impl Foo` to `u32`
Remove licenses
2018-12-25 15:56:47 +00:00
--> $DIR/equality.rs:24:11
Explicit help message for binop type missmatch When trying to do a binary operation with missing implementation, for example `1 + Some(2)`, provide an explicit help message: ``` note: no implementation for `{integer} + std::option::Option<{integer}>` ``` Use `rustc_on_unimplemented` for the suggestions. Move cfail test to ui.
2017-04-10 21:17:49 +00:00
|
Update UI tests
2018-02-23 00:42:32 +00:00
LL | n + sum_to(n - 1)
tests: fix fallout from changing the span of binop errors.
2017-05-29 11:55:54 +00:00
| ^ no implementation for `u32 + impl Foo`
Explicit help message for binop type missmatch When trying to do a binary operation with missing implementation, for example `1 + Some(2)`, provide an explicit help message: ``` note: no implementation for `{integer} + std::option::Option<{integer}>` ``` Use `rustc_on_unimplemented` for the suggestions. Move cfail test to ui.
2017-04-10 21:17:49 +00:00
|
pretty: trim paths of unique symbols If a symbol name can only be imported from one place for a type, and as long as it was not glob-imported anywhere in the current crate, we can trim its printed path and print only the name. This has wide implications on error messages with types, for example, shortening `std::vec::Vec` to just `Vec`, as long as there is no other `Vec` importable anywhere. This adds a new '-Z trim-diagnostic-paths=false' option to control this feature. On the good path, with no diagnosis printed, we should try to avoid issuing this query, so we need to prevent trimmed_def_paths query on several cases. This change also relies on a previous commit that differentiates between `Debug` and `Display` on various rustc types, where the latter is trimmed and presented to the user and the former is not.
2020-09-02 07:40:56 +00:00
= help: the trait `Add<impl Foo>` is not implemented for `u32`
Refer to the TraitRef::identity in the message to be clearer
2022-03-27 02:02:07 +00:00
= help: the following other types implement trait `Add<Rhs>`:
Fix list length
2022-03-26 23:14:47 +00:00
<&'a f32 as Add<f32>>
<&'a f64 as Add<f64>>
<&'a i128 as Add<i128>>
<&'a i16 as Add<i16>>
Dedup logic and improve output for other types that impl trait
2022-03-27 01:49:01 +00:00
<&'a i32 as Add<i32>>
<&'a i64 as Add<i64>>
<&'a i8 as Add<i8>>
<&'a isize as Add<isize>>
Mention implementers of unsatisfied trait When encountering an unsatisfied trait bound, if there are no other suggestions, mention all the types that *do* implement that trait: ``` error[E0277]: the trait bound `f32: Foo` is not satisfied --> $DIR/impl_wf.rs:22:6 | LL | impl Baz<f32> for f32 { } | ^^^^^^^^ the trait `Foo` is not implemented for `f32` | = help: the following other types implement trait `Foo`: Option<T> i32 str note: required by a bound in `Baz` --> $DIR/impl_wf.rs:18:31 | LL | trait Baz<U: ?Sized> where U: Foo { } | ^^^ required by this bound in `Baz` ``` Mention implementers of traits in `ImplObligation`s. Do not mention other `impl`s for closures, ranges and `?`.
2021-12-13 20:56:40 +00:00
and 48 others
Explicit help message for binop type missmatch When trying to do a binary operation with missing implementation, for example `1 + Some(2)`, provide an explicit help message: ``` note: no implementation for `{integer} + std::option::Option<{integer}>` ``` Use `rustc_on_unimplemented` for the suggestions. Move cfail test to ui.
2017-04-10 21:17:49 +00:00
skip pointing out ambuguous impls in alloc/std crates too
2022-01-29 23:34:06 +00:00
error: aborting due to 2 previous errors; 1 warning emitted
Explicit help message for binop type missmatch When trying to do a binary operation with missing implementation, for example `1 + Some(2)`, provide an explicit help message: ``` note: no implementation for `{integer} + std::option::Option<{integer}>` ``` Use `rustc_on_unimplemented` for the suggestions. Move cfail test to ui.
2017-04-10 21:17:49 +00:00
skip pointing out ambuguous impls in alloc/std crates too
2022-01-29 23:34:06 +00:00
Some errors have detailed explanations: E0277, E0308.
update tests
2018-03-03 14:59:40 +00:00
For more information about an error, try `rustc --explain E0277`.
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