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| -rw-r--r-- | library/core/src/pin.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/library/core/src/pin.rs b/library/core/src/pin.rs index 84fed4ed243..dec1b5270d5 100644 --- a/library/core/src/pin.rs +++ b/library/core/src/pin.rs @@ -406,6 +406,11 @@ use crate::ops::{CoerceUnsized, Deref, DerefMut, DispatchFromDyn, Receiver}; #[repr(transparent)] #[derive(Copy, Clone)] pub struct Pin<P> { + // FIXME(#93176): this field is made `#[unstable] #[doc(hidden)] pub` to: + // - deter downstream users from accessing it (which would be unsound!), + // - let the `pin!` macro access it (such a macro requires using struct + // literal syntax in order to benefit from lifetime extension). + // Long-term, `unsafe` fields or macro hygiene are expected to offer more robust alternatives. #[unstable(feature = "unsafe_pin_internals", issue = "none")] #[doc(hidden)] pub pointer: P, |