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5b54286640
Remove the "which is required by `{root_obligation}`" post-script in
"the trait `X` is not implemented for `Y`" explanation in E0277. This
information is already conveyed in the notes explaining requirements,
making it redundant while making the text (particularly in labels)
harder to read.
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
vs the prior
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
152 lines
5.9 KiB
Plaintext
152 lines
5.9 KiB
Plaintext
error[E0204]: the trait `Copy` cannot be implemented for this type
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--> $DIR/missing-bound-in-derive-copy-impl.rs:9:17
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LL | #[derive(Debug, Copy, Clone)]
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| ^^^^
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LL | pub struct AABB<K> {
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LL | pub loc: Vector2<K>,
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| ------------------- this field does not implement `Copy`
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note: the `Copy` impl for `Vector2<K>` requires that `K: Debug`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:11:14
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LL | pub loc: Vector2<K>,
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| ^^^^^^^^^^
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= note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: consider restricting type parameter `K`
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LL | pub struct AABB<K: Debug> {
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| +++++++
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error[E0277]: `K` doesn't implement `Debug`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:11:14
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LL | pub loc: Vector2<K>,
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| ^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug`
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note: required by a bound in `Vector2`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:4:23
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LL | pub struct Vector2<T: Debug + Copy + Clone> {
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| ^^^^^ required by this bound in `Vector2`
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help: consider restricting type parameter `K`
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LL | pub struct AABB<K: std::fmt::Debug> {
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| +++++++++++++++++
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error[E0277]: the trait bound `K: Copy` is not satisfied
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--> $DIR/missing-bound-in-derive-copy-impl.rs:11:14
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LL | pub loc: Vector2<K>,
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| ^^^^^^^^^^ the trait `Copy` is not implemented for `K`
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note: required by a bound in `Vector2`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:4:31
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LL | pub struct Vector2<T: Debug + Copy + Clone> {
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| ^^^^ required by this bound in `Vector2`
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help: consider restricting type parameter `K`
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LL | pub struct AABB<K: std::marker::Copy> {
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| +++++++++++++++++++
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error[E0277]: the trait bound `K: Copy` is not satisfied
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--> $DIR/missing-bound-in-derive-copy-impl.rs:11:5
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LL | #[derive(Debug, Copy, Clone)]
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| ----- in this derive macro expansion
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LL | pub struct AABB<K> {
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LL | pub loc: Vector2<K>,
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| ^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`
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note: required for `Vector2<K>` to implement `Debug`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:3:10
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LL | #[derive(Debug, Copy, Clone)]
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| ^^^^^
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LL | pub struct Vector2<T: Debug + Copy + Clone> {
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| ---- unsatisfied trait bound introduced in this `derive` macro
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= note: required for the cast from `&Vector2<K>` to `&dyn Debug`
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= note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: consider restricting type parameter `K`
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LL | pub struct AABB<K: std::marker::Copy> {
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| +++++++++++++++++++
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error[E0277]: `K` doesn't implement `Debug`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:11:5
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LL | #[derive(Debug, Copy, Clone)]
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| ----- in this derive macro expansion
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LL | pub struct AABB<K> {
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LL | pub loc: Vector2<K>,
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| ^^^^^^^^^^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug`
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= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: consider restricting type parameter `K`
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LL | pub struct AABB<K: std::fmt::Debug> {
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| +++++++++++++++++
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error[E0277]: the trait bound `K: Copy` is not satisfied
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--> $DIR/missing-bound-in-derive-copy-impl.rs:11:5
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LL | #[derive(Debug, Copy, Clone)]
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| ----- in this derive macro expansion
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LL | pub struct AABB<K> {
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LL | pub loc: Vector2<K>,
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| ^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`
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note: required by a bound in `Vector2`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:4:31
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LL | pub struct Vector2<T: Debug + Copy + Clone> {
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| ^^^^ required by this bound in `Vector2`
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= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: consider restricting type parameter `K`
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LL | pub struct AABB<K: std::marker::Copy> {
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| +++++++++++++++++++
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error[E0277]: `K` doesn't implement `Debug`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:17:5
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LL | #[derive(Debug, Copy, Clone)]
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| ----- in this derive macro expansion
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...
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LL | pub size: Vector2<K>,
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| ^^^^^^^^^^^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug`
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= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: consider restricting type parameter `K`
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LL | pub struct AABB<K: std::fmt::Debug> {
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| +++++++++++++++++
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error[E0277]: the trait bound `K: Copy` is not satisfied
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--> $DIR/missing-bound-in-derive-copy-impl.rs:17:5
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LL | #[derive(Debug, Copy, Clone)]
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| ----- in this derive macro expansion
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...
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LL | pub size: Vector2<K>,
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| ^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`
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note: required for `Vector2<K>` to implement `Clone`
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--> $DIR/missing-bound-in-derive-copy-impl.rs:3:23
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LL | #[derive(Debug, Copy, Clone)]
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| ^^^^^
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LL | pub struct Vector2<T: Debug + Copy + Clone> {
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| ---- unsatisfied trait bound introduced in this `derive` macro
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= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: consider restricting type parameter `K`
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LL | pub struct AABB<K: std::marker::Copy> {
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| +++++++++++++++++++
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error: aborting due to 8 previous errors
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Some errors have detailed explanations: E0204, E0277.
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For more information about an error, try `rustc --explain E0204`.
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