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>) {
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```
```
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 {
| +++++++++++++++++++
```
32 lines
1 KiB
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32 lines
1 KiB
Text
error[E0277]: `T` cannot be shared between threads safely
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--> $DIR/two-traits.rs:11:14
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LL | type X = Self;
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| ^^^^ `T` cannot be shared between threads safely
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note: required by a bound in `Magic::X`
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--> $DIR/two-traits.rs:8:13
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LL | type X: Trait;
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| ^^^^^ required by this bound in `Magic::X`
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help: consider further restricting this bound with trait `Sync`
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LL | impl<T: Magic + std::marker::Sync> Magic for T {
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| +++++++++++++++++++
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error[E0275]: overflow evaluating the requirement `*mut (): Magic`
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--> $DIR/two-traits.rs:20:5
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LL | wizard::<*mut ()>();
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| ^^^^^^^^^^^^^^^^^^^
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note: required by a bound in `wizard`
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--> $DIR/two-traits.rs:17:14
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LL | fn wizard<T: Magic>() { check::<<T as Magic>::X>(); }
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| ^^^^^ required by this bound in `wizard`
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0275, E0277.
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For more information about an error, try `rustc --explain E0275`.
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