82 lines
3.2 KiB
Plaintext
82 lines
3.2 KiB
Plaintext
error: `SmartPointer` can only be derived on `struct`s with `#[repr(transparent)]`
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--> $DIR/deriving-smart-pointer-neg.rs:6:10
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LL | #[derive(SmartPointer)]
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| ^^^^^^^^^^^^
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= note: this error originates in the derive macro `SmartPointer` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: At least one generic type should be designated as `#[pointee]` in order to derive `SmartPointer` traits
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--> $DIR/deriving-smart-pointer-neg.rs:12:10
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LL | #[derive(SmartPointer)]
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| ^^^^^^^^^^^^
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= note: this error originates in the derive macro `SmartPointer` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: `SmartPointer` can only be derived on `struct`s with at least one field
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--> $DIR/deriving-smart-pointer-neg.rs:19:10
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LL | #[derive(SmartPointer)]
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| ^^^^^^^^^^^^
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= note: this error originates in the derive macro `SmartPointer` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: `SmartPointer` can only be derived on `struct`s with at least one field
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--> $DIR/deriving-smart-pointer-neg.rs:26:10
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LL | #[derive(SmartPointer)]
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| ^^^^^^^^^^^^
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= note: this error originates in the derive macro `SmartPointer` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: `SmartPointer` can only be derived on `struct`s with `#[repr(transparent)]`
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--> $DIR/deriving-smart-pointer-neg.rs:33:10
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LL | #[derive(SmartPointer)]
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| ^^^^^^^^^^^^
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= note: this error originates in the derive macro `SmartPointer` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: `derive(SmartPointer)` requires T to be marked `?Sized`
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--> $DIR/deriving-smart-pointer-neg.rs:41:36
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LL | struct NoMaybeSized<'a, #[pointee] T> {
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| ^
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error[E0392]: lifetime parameter `'a` is never used
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--> $DIR/deriving-smart-pointer-neg.rs:22:16
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LL | struct NoField<'a, #[pointee] T: ?Sized> {}
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| ^^ unused lifetime parameter
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= help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
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error[E0392]: type parameter `T` is never used
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--> $DIR/deriving-smart-pointer-neg.rs:22:31
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LL | struct NoField<'a, #[pointee] T: ?Sized> {}
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| ^ unused type parameter
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= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
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error[E0392]: lifetime parameter `'a` is never used
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--> $DIR/deriving-smart-pointer-neg.rs:29:20
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LL | struct NoFieldUnit<'a, #[pointee] T: ?Sized>();
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| ^^ unused lifetime parameter
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= help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
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error[E0392]: type parameter `T` is never used
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--> $DIR/deriving-smart-pointer-neg.rs:29:35
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LL | struct NoFieldUnit<'a, #[pointee] T: ?Sized>();
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| ^ unused type parameter
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= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
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error: aborting due to 10 previous errors
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For more information about this error, try `rustc --explain E0392`.
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