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|
#![deny(repr_transparent_external_private_fields)]
// aux-build: repr-transparent-non-exhaustive.rs
extern crate repr_transparent_non_exhaustive;
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);
//~^ 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);
//~^ 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 T7(Sized, NonExhaustiveEnum);
//~^ 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 T8(Sized, NonExhaustiveVariant);
//~^ 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 T9(Sized, InternalIndirection<Private>);
//~^ 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 T10(Sized, InternalIndirection<NonExhaustive>);
//~^ 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 T11(Sized, InternalIndirection<NonExhaustiveEnum>);
//~^ 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 T12(Sized, InternalIndirection<NonExhaustiveVariant>);
//~^ 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 T13(Sized, ExternalIndirection<Private>);
//~^ 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 T14(Sized, ExternalIndirection<NonExhaustive>);
//~^ 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 T15(Sized, ExternalIndirection<NonExhaustiveEnum>);
//~^ 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 T16(Sized, ExternalIndirection<NonExhaustiveVariant>);
//~^ 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 T17(NonExhaustive, Sized);
//~^ 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 T18(NonExhaustive, NonExhaustive);
//~^ 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 T19(NonExhaustive, Private);
//~^ 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 T19Flipped(Private, NonExhaustive);
//~^ 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 T20(NonExhaustive);
// Okay, since it's the only field.
#[repr(transparent)]
pub struct T21(NonExhaustive, InternalNonExhaustive);
// Okay, since there's only 1 foreign non-exhaustive type.
#[repr(transparent)]
pub struct T21Flipped(InternalNonExhaustive, NonExhaustive);
// Okay, since there's only 1 foreign non-exhaustive type.
#[repr(transparent)]
pub struct T22(NonExhaustive, InternalPrivate);
// Okay, since there's only 1 foreign non-exhaustive type.
#[repr(transparent)]
pub struct T22Flipped(InternalPrivate, NonExhaustive);
// Okay, since there's only 1 foreign non-exhaustive type.
fn main() {}
|
