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error[E0277]: `T` doesn't implement `std::fmt::Display`
--> $DIR/bounds-are-checked3.rs:9:35
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LL | type Foo<T: Debug> = (impl Debug, Struct<T>);
| ^^^^^^^^^ the trait `std::fmt::Display` is not implemented for `T`
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note: required by a bound in `Struct`
--> $DIR/bounds-are-checked3.rs:5:18
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LL | struct Struct<V: Display>(Option<V>);
| ^^^^^^^ required by this bound in `Struct`
help: consider further restricting type parameter `T` with trait `Display`
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LL | type Foo<T: Debug + std::fmt::Display> = (impl Debug, Struct<T>);
| +++++++++++++++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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