18 lines
593 B
Rust
18 lines
593 B
Rust
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// edition:2018
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#![forbid(incomplete_features, unsafe_code)]
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#![feature(unsafe_pin_internals)]
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//~^ ERROR the feature `unsafe_pin_internals` is incomplete and may not be safe to use
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use core::{marker::PhantomPinned, pin::Pin};
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/// The `unsafe_pin_internals` is indeed unsound.
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fn non_unsafe_pin_new_unchecked<T>(pointer: &mut T) -> Pin<&mut T> {
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Pin { pointer }
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}
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fn main() {
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let mut self_referential = PhantomPinned;
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let _: Pin<&mut PhantomPinned> = non_unsafe_pin_new_unchecked(&mut self_referential);
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core::mem::forget(self_referential); // move and disable drop glue!
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}
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