mirror of https://github.com/rust-lang/rust.git
23 lines
378 B
Rust
23 lines
378 B
Rust
#[repr(C)]
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union PtrRepr<T: ?Sized> {
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const_ptr: *const T,
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mut_ptr: *mut T,
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components: PtrComponents<T>,
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//~^ ERROR the trait bound
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//~| ERROR field must implement `Copy`
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}
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#[repr(C)]
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struct PtrComponents<T: Pointee + ?Sized> {
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data_address: *const (),
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metadata: <T as Pointee>::Metadata,
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}
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pub trait Pointee {
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type Metadata;
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}
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fn main() {}
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