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 {
| +++++++++++++++++++
```
34 lines
1.2 KiB
Text
34 lines
1.2 KiB
Text
error[E0277]: the trait bound `T: Unstable` is not satisfied
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--> $DIR/unstable-trait-suggestion.rs:13:9
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LL | foo(t)
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| --- ^ the trait `Unstable` is not implemented for `T`
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| |
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| required by a bound introduced by this call
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note: required by a bound in `foo`
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--> $DIR/unstable-trait-suggestion.rs:9:11
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LL | fn foo<T: Unstable>(_: T) {}
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| ^^^^^^^^ required by this bound in `foo`
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help: consider restricting type parameter `T` with unstable trait `Unstable`
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LL | pub fn bar<T: Unstable>(t: T) {
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| ++++++++++
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error[E0277]: the trait bound `T: Step` is not satisfied
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--> $DIR/unstable-trait-suggestion.rs:17:14
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LL | for _ in t {}
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| ^ the trait `Step` is not implemented for `T`
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= note: required for `std::ops::Range<T>` to implement `Iterator`
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= note: required for `std::ops::Range<T>` to implement `IntoIterator`
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help: consider restricting type parameter `T` with unstable trait `Step`
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LL | pub fn baz<T: std::iter::Step>(t: std::ops::Range<T>) {
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| +++++++++++++++++
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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