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41 lines
1.7 KiB
Plaintext
41 lines
1.7 KiB
Plaintext
error[E0271]: type mismatch resolving `<T as Pointee>::Metadata == ()`
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--> $DIR/pointee-tail-is-generic-errors.rs:13:15
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LL | is_thin::<T>();
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| ^ expected `()`, found associated type
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= note: expected unit type `()`
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found associated type `<T as Pointee>::Metadata`
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= help: consider constraining the associated type `<T as Pointee>::Metadata` to `()`
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= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
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note: required by a bound in `is_thin`
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--> $DIR/pointee-tail-is-generic-errors.rs:20:33
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LL | fn is_thin<T: std::ptr::Pointee<Metadata = ()> + ?Sized>() {}
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| ^^^^^^^^^^^^^ required by this bound in `is_thin`
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error[E0271]: type mismatch resolving `<Opaque as Pointee>::Metadata == ()`
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--> $DIR/pointee-tail-is-generic-errors.rs:16:15
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LL | type Opaque = impl std::fmt::Debug + ?Sized;
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| ----------------------------- the found opaque type
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...
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LL | is_thin::<Opaque>();
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| ^^^^^^ expected `()`, found associated type
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= note: expected unit type `()`
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found associated type `<Opaque as Pointee>::Metadata`
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note: required by a bound in `is_thin`
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--> $DIR/pointee-tail-is-generic-errors.rs:20:33
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LL | fn is_thin<T: std::ptr::Pointee<Metadata = ()> + ?Sized>() {}
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| ^^^^^^^^^^^^^ required by this bound in `is_thin`
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help: consider constraining the associated type `<Opaque as Pointee>::Metadata` to `()`
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LL | type Opaque = impl std::fmt::Debug<Metadata = ()> + ?Sized;
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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 E0271`.
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