89a3c19832
``` error[E0599]: no method named `map` found for struct `Vec<bool>` in the current scope --> $DIR/vec-on-unimplemented.rs:3:23 | LL | vec![true, false].map(|v| !v).collect::<Vec<_>>(); | ^^^ `Vec<bool>` is not an iterator | help: call `.into_iter()` first | LL | vec![true, false].into_iter().map(|v| !v).collect::<Vec<_>>(); | ++++++++++++ ``` We used to provide some help through `rustc_on_unimplemented` on non-`impl Trait` and non-type-params, but this lets us get rid of some otherwise unnecessary conditions in the annotation on `Iterator`.
69 lines
3.3 KiB
Plaintext
69 lines
3.3 KiB
Plaintext
error[E0277]: can't compare `PriorityQueue<T>` with `PriorityQueue<T>`
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--> $DIR/issue-104884-trait-impl-sugg-err.rs:13:10
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LL | #[derive(PartialOrd, AddImpl)]
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| ^^^^^^^^^^ no implementation for `PriorityQueue<T> == PriorityQueue<T>`
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= help: the trait `PartialEq` is not implemented for `PriorityQueue<T>`
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note: required by a bound in `PartialOrd`
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--> $SRC_DIR/core/src/cmp.rs:LL:COL
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= note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0277]: the trait bound `PriorityQueue<T>: Eq` is not satisfied
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--> $DIR/issue-104884-trait-impl-sugg-err.rs:13:22
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LL | #[derive(PartialOrd, AddImpl)]
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| ^^^^^^^ the trait `Eq` is not implemented for `PriorityQueue<T>`
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note: required by a bound in `Ord`
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--> $SRC_DIR/core/src/cmp.rs:LL:COL
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= note: this error originates in the derive macro `AddImpl` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0277]: can't compare `T` with `T`
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--> $DIR/issue-104884-trait-impl-sugg-err.rs:13:22
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LL | #[derive(PartialOrd, AddImpl)]
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| ^^^^^^^ no implementation for `T < T` and `T > T`
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note: required for `PriorityQueue<T>` to implement `PartialOrd`
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--> $DIR/issue-104884-trait-impl-sugg-err.rs:13:10
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LL | #[derive(PartialOrd, AddImpl)]
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| ^^^^^^^^^^ unsatisfied trait bound introduced in this `derive` macro
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note: required by a bound in `Ord`
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--> $SRC_DIR/core/src/cmp.rs:LL:COL
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= note: this error originates in the derive macro `AddImpl` which comes from the expansion of the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0277]: can't compare `BinaryHeap<PriorityQueueEntry<T>>` with `_`
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--> $DIR/issue-104884-trait-impl-sugg-err.rs:20:25
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LL | #[derive(PartialOrd, AddImpl)]
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| ---------- in this derive macro expansion
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...
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LL | struct PriorityQueue<T>(BinaryHeap<PriorityQueueEntry<T>>);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `BinaryHeap<PriorityQueueEntry<T>> < _` and `BinaryHeap<PriorityQueueEntry<T>> > _`
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= help: the trait `PartialOrd<_>` is not implemented for `BinaryHeap<PriorityQueueEntry<T>>`
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= note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0599]: no method named `cmp` found for struct `BinaryHeap<PriorityQueueEntry<T>>` in the current scope
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--> $DIR/issue-104884-trait-impl-sugg-err.rs:13:22
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LL | #[derive(PartialOrd, AddImpl)]
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| ^^^^^^^ `BinaryHeap<PriorityQueueEntry<T>>` is not an iterator
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= note: this error originates in the derive macro `AddImpl` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0609]: no field `height` on type `&PriorityQueue<T>`
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--> $DIR/issue-104884-trait-impl-sugg-err.rs:13:22
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LL | #[derive(PartialOrd, AddImpl)]
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| ^^^^^^^ unknown field
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= note: this error originates in the derive macro `AddImpl` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: aborting due to 6 previous errors
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Some errors have detailed explanations: E0277, E0599, E0609.
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For more information about an error, try `rustc --explain E0277`.
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