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| author | Dylan DPC <99973273+Dylan-DPC@users.noreply.github.com> | 2022-05-10 08:24:02 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-10 08:24:02 +0200 |
| commit | c5c273b30e2464de2c4de2cc4c9d2696de540e7f (patch) | |
| tree | b4b5f7d7e0e4673a1219041d057dc266fa1e0736 | |
| parent | dd83ae2cd6f6846e5f1f949f28c0331f922abe3c (diff) | |
| parent | 6096cfbfffdaebd5eca5e0816086e31f10de7eb8 (diff) | |
| download | rust-c5c273b30e2464de2c4de2cc4c9d2696de540e7f.tar.gz rust-c5c273b30e2464de2c4de2cc4c9d2696de540e7f.zip | |
Rollup merge of #96674 - bstrie:vardoc, r=thomcc
docs: add link explaining variance to NonNull docs
| -rw-r--r-- | library/core/src/ptr/non_null.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs index 5ebe6150906..9946db67db9 100644 --- a/library/core/src/ptr/non_null.rs +++ b/library/core/src/ptr/non_null.rs @@ -9,7 +9,7 @@ use crate::ops::{CoerceUnsized, DispatchFromDyn}; use crate::ptr::Unique; use crate::slice::{self, SliceIndex}; -/// `*mut T` but non-zero and covariant. +/// `*mut T` but non-zero and [covariant]. /// /// This is often the correct thing to use when building data structures using /// raw pointers, but is ultimately more dangerous to use because of its additional @@ -42,6 +42,7 @@ use crate::slice::{self, SliceIndex}; /// it is your responsibility to ensure that `as_mut` is never called, and `as_ptr` /// is never used for mutation. /// +/// [covariant]: https://doc.rust-lang.org/reference/subtyping.html /// [`PhantomData`]: crate::marker::PhantomData /// [`UnsafeCell<T>`]: crate::cell::UnsafeCell #[stable(feature = "nonnull", since = "1.25.0")] |