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rust/tests/ui/trait-bounds/unstable-trait-suggestion.stderr

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Don't suggest restricting bound with unstable traits on stable On nightly, we mention the trait is unstable ``` error[E0277]: the trait bound `T: Unstable` is not satisfied --> $DIR/unstable-trait-suggestion.rs:13:9 | LL | foo(t) | --- ^ the trait `Unstable` is not implemented for `T` | | | required by a bound introduced by this call | note: required by a bound in `foo` --> $DIR/unstable-trait-suggestion.rs:9:11 | LL | fn foo<T: Unstable>(_: T) {} | ^^^^^^^^ required by this bound in `foo` help: consider restricting type parameter `T` but it is an `unstable` trait | LL | pub fn demo<T: Unstable>(t: T) { | ++++++++++ ``` On stable, we don't suggest the trait at all ``` error[E0277]: the trait bound `T: Unstable` is not satisfied --> $DIR/unstable-trait-suggestion.rs:13:9 | LL | foo(t) | --- ^ the trait `Unstable` is not implemented for `T` | | | required by a bound introduced by this call | note: required by a bound in `foo` --> $DIR/unstable-trait-suggestion.rs:9:11 | LL | fn foo<T: Unstable>(_: T) {} | ^^^^^^^^ required by this bound in `foo` ```
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error[E0277]: the trait bound `T: Unstable` is not satisfied
--> $DIR/unstable-trait-suggestion.rs:13:9
|
LL | foo(t)
| --- ^ the trait `Unstable` is not implemented for `T`
| |
| required by a bound introduced by this call
|
note: required by a bound in `foo`
--> $DIR/unstable-trait-suggestion.rs:9:11
|
LL | fn foo<T: Unstable>(_: T) {}
| ^^^^^^^^ required by this bound in `foo`
reword trait bound suggestion message to include the bounds
2024-11-28 18:43:28 +00:00
help: consider restricting type parameter `T` with unstable trait `Unstable`
Don't suggest restricting bound with unstable traits on stable On nightly, we mention the trait is unstable ``` error[E0277]: the trait bound `T: Unstable` is not satisfied --> $DIR/unstable-trait-suggestion.rs:13:9 | LL | foo(t) | --- ^ the trait `Unstable` is not implemented for `T` | | | required by a bound introduced by this call | note: required by a bound in `foo` --> $DIR/unstable-trait-suggestion.rs:9:11 | LL | fn foo<T: Unstable>(_: T) {} | ^^^^^^^^ required by this bound in `foo` help: consider restricting type parameter `T` but it is an `unstable` trait | LL | pub fn demo<T: Unstable>(t: T) { | ++++++++++ ``` On stable, we don't suggest the trait at all ``` error[E0277]: the trait bound `T: Unstable` is not satisfied --> $DIR/unstable-trait-suggestion.rs:13:9 | LL | foo(t) | --- ^ the trait `Unstable` is not implemented for `T` | | | required by a bound introduced by this call | note: required by a bound in `foo` --> $DIR/unstable-trait-suggestion.rs:9:11 | LL | fn foo<T: Unstable>(_: T) {} | ^^^^^^^^ required by this bound in `foo` ```
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|
Add test for lack of suggestion in stable This test will break when `Step` gets stabilized, but punt until then.
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LL | pub fn bar<T: Unstable>(t: T) {
| ++++++++++
Don't suggest restricting bound with unstable traits on stable On nightly, we mention the trait is unstable ``` error[E0277]: the trait bound `T: Unstable` is not satisfied --> $DIR/unstable-trait-suggestion.rs:13:9 | LL | foo(t) | --- ^ the trait `Unstable` is not implemented for `T` | | | required by a bound introduced by this call | note: required by a bound in `foo` --> $DIR/unstable-trait-suggestion.rs:9:11 | LL | fn foo<T: Unstable>(_: T) {} | ^^^^^^^^ required by this bound in `foo` help: consider restricting type parameter `T` but it is an `unstable` trait | LL | pub fn demo<T: Unstable>(t: T) { | ++++++++++ ``` On stable, we don't suggest the trait at all ``` error[E0277]: the trait bound `T: Unstable` is not satisfied --> $DIR/unstable-trait-suggestion.rs:13:9 | LL | foo(t) | --- ^ the trait `Unstable` is not implemented for `T` | | | required by a bound introduced by this call | note: required by a bound in `foo` --> $DIR/unstable-trait-suggestion.rs:9:11 | LL | fn foo<T: Unstable>(_: T) {} | ^^^^^^^^ required by this bound in `foo` ```
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Add test for lack of suggestion in stable This test will break when `Step` gets stabilized, but punt until then.
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error[E0277]: the trait bound `T: Step` is not satisfied
--> $DIR/unstable-trait-suggestion.rs:17:14
|
LL | for _ in t {}
| ^ the trait `Step` is not implemented for `T`
|
= note: required for `std::ops::Range<T>` to implement `Iterator`
= note: required for `std::ops::Range<T>` to implement `IntoIterator`
Use trait name instead of full constraint in suggestion message ``` help: consider restricting type parameter `T` with traits `Copy` and `Trait` | LL | fn duplicate_custom<T: Copy + Trait>(t: S<T>) -> (S<T>, S<T>) { | ++++++++++++++ ``` ``` help: consider restricting type parameter `V` with trait `Copy` | LL | fn index<'a, K, V: std::marker::Copy>(map: &'a HashMap<K, V>, k: K) -> &'a V { | +++++++++++++++++++ ```
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help: consider restricting type parameter `T` with unstable trait `Step`
Add test for lack of suggestion in stable This test will break when `Step` gets stabilized, but punt until then.
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|
LL | pub fn baz<T: std::iter::Step>(t: std::ops::Range<T>) {
| +++++++++++++++++
error: aborting due to 2 previous errors
Don't suggest restricting bound with unstable traits on stable On nightly, we mention the trait is unstable ``` error[E0277]: the trait bound `T: Unstable` is not satisfied --> $DIR/unstable-trait-suggestion.rs:13:9 | LL | foo(t) | --- ^ the trait `Unstable` is not implemented for `T` | | | required by a bound introduced by this call | note: required by a bound in `foo` --> $DIR/unstable-trait-suggestion.rs:9:11 | LL | fn foo<T: Unstable>(_: T) {} | ^^^^^^^^ required by this bound in `foo` help: consider restricting type parameter `T` but it is an `unstable` trait | LL | pub fn demo<T: Unstable>(t: T) { | ++++++++++ ``` On stable, we don't suggest the trait at all ``` error[E0277]: the trait bound `T: Unstable` is not satisfied --> $DIR/unstable-trait-suggestion.rs:13:9 | LL | foo(t) | --- ^ the trait `Unstable` is not implemented for `T` | | | required by a bound introduced by this call | note: required by a bound in `foo` --> $DIR/unstable-trait-suggestion.rs:9:11 | LL | fn foo<T: Unstable>(_: T) {} | ^^^^^^^^ required by this bound in `foo` ```
2024-11-27 03:20:22 +00:00
For more information about this error, try `rustc --explain E0277`.
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