rust/tests/ui/repr/repr-transparent-non-exhaustive.rs

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#![deny(repr_transparent_external_private_fields)]
// aux-build: repr-transparent-non-exhaustive.rs
extern crate repr_transparent_non_exhaustive;
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use repr_transparent_non_exhaustive::{
Private,
NonExhaustive,
NonExhaustiveEnum,
NonExhaustiveVariant,
ExternalIndirection,
};
pub struct InternalPrivate {
_priv: (),
}
#[non_exhaustive]
pub struct InternalNonExhaustive;
pub struct InternalIndirection<T> {
x: T,
}
pub type Sized = i32;
#[repr(transparent)]
pub struct T1(Sized, InternalPrivate);
#[repr(transparent)]
pub struct T2(Sized, InternalNonExhaustive);
#[repr(transparent)]
pub struct T3(Sized, InternalIndirection<(InternalPrivate, InternalNonExhaustive)>);
#[repr(transparent)]
pub struct T4(Sized, ExternalIndirection<(InternalPrivate, InternalNonExhaustive)>);
#[repr(transparent)]
pub struct T5(Sized, Private);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
pub struct T6(Sized, NonExhaustive);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
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pub struct T7(Sized, NonExhaustiveEnum);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
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pub struct T8(Sized, NonExhaustiveVariant);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
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pub struct T9(Sized, InternalIndirection<Private>);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
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pub struct T10(Sized, InternalIndirection<NonExhaustive>);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
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//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
pub struct T11(Sized, InternalIndirection<NonExhaustiveEnum>);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
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//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
pub struct T12(Sized, InternalIndirection<NonExhaustiveVariant>);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
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//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
pub struct T13(Sized, ExternalIndirection<Private>);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
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//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
pub struct T14(Sized, ExternalIndirection<NonExhaustive>);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
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//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
pub struct T15(Sized, ExternalIndirection<NonExhaustiveEnum>);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
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//~| WARN this was previously accepted by the compiler
#[repr(transparent)]
pub struct T16(Sized, ExternalIndirection<NonExhaustiveVariant>);
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//~^ ERROR zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
//~| WARN this was previously accepted by the compiler
fn main() {}