3f2a63a68b
```
help: consider restricting type parameter `T` with traits `Copy` and `Trait`
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LL | fn duplicate_custom<T: Copy + Trait>(t: S<T>) -> (S<T>, S<T>) {
| ++++++++++++++
```
```
help: consider restricting type parameter `V` with trait `Copy`
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LL | fn index<'a, K, V: std::marker::Copy>(map: &'a HashMap<K, V>, k: K) -> &'a V {
| +++++++++++++++++++
```
68 lines
3.1 KiB
Plaintext
68 lines
3.1 KiB
Plaintext
error[E0277]: the trait bound `X: Copy` is not satisfied
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--> $DIR/trait-impl-bound-suggestions.rs:14:52
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LL | fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> {
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| ^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `X`
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note: required by a bound in `ConstrainedStruct`
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--> $DIR/trait-impl-bound-suggestions.rs:8:29
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LL | struct ConstrainedStruct<X: Copy> {
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| ^^^^ required by this bound in `ConstrainedStruct`
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help: consider further restricting type parameter `X` with trait `Copy`
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LL | trait InsufficientlyConstrainedGeneric<X=()> where Self: Sized, X: std::marker::Copy {
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| ++++++++++++++++++++++
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error[E0277]: the trait bound `X: Copy` is not satisfied
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--> $DIR/trait-impl-bound-suggestions.rs:24:52
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LL | fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> {
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| ^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `X`
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note: required by a bound in `ConstrainedStruct`
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--> $DIR/trait-impl-bound-suggestions.rs:8:29
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LL | struct ConstrainedStruct<X: Copy> {
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| ^^^^ required by this bound in `ConstrainedStruct`
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help: consider further restricting type parameter `X` with trait `Copy`
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LL | trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where Self: Sized, X: std::marker::Copy {
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error[E0277]: the trait bound `X: Copy` is not satisfied
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--> $DIR/trait-impl-bound-suggestions.rs:16:29
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LL | ConstrainedStruct { x }
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| ^ the trait `Copy` is not implemented for `X`
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note: required by a bound in `ConstrainedStruct`
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--> $DIR/trait-impl-bound-suggestions.rs:8:29
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LL | struct ConstrainedStruct<X: Copy> {
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| ^^^^ required by this bound in `ConstrainedStruct`
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help: consider further restricting type parameter `X` with trait `Copy`
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LL | trait InsufficientlyConstrainedGeneric<X=()> where Self: Sized, X: std::marker::Copy {
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error[E0277]: the trait bound `X: Copy` is not satisfied
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--> $DIR/trait-impl-bound-suggestions.rs:26:29
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LL | ConstrainedStruct { x }
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| ^ the trait `Copy` is not implemented for `X`
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note: required by a bound in `ConstrainedStruct`
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--> $DIR/trait-impl-bound-suggestions.rs:8:29
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LL | struct ConstrainedStruct<X: Copy> {
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| ^^^^ required by this bound in `ConstrainedStruct`
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help: consider further restricting type parameter `X` with trait `Copy`
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LL | trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where Self: Sized, X: std::marker::Copy {
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error: aborting due to 4 previous errors
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For more information about this error, try `rustc --explain E0277`.
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