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Rollup merge of #134930 - RalfJung:ptr-docs-valid-access, r=jhpratt

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ptr docs: make it clear that we are talking only about memory accesses

This should make it harder to take this sentence out of context and misunderstand it.
This commit is contained in:
Stuart Cook
2024-12-31 14:12:46 +11:00
committed by GitHub
parent 1200d3d733 e36b4c95f4
commit fa6990c16e
1 changed files with 2 additions and 2 deletions
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library/core/src/ptr/mod.rs
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@@ -15,8 +15,8 @@
//! The precise rules for validity are not determined yet. The guarantees that are
//! provided at this point are very minimal:
//!
//! * For operations of [size zero][zst], *every* pointer is valid, including the [null] pointer.
//! The following points are only concerned with non-zero-sized accesses.
//! * For memory accesses of [size zero][zst], *every* pointer is valid, including the [null]
//! pointer. The following points are only concerned with non-zero-sized accesses.
//! * A [null] pointer is *never* valid.
//! * For a pointer to be valid, it is necessary, but not always sufficient, that the pointer be
//! *dereferenceable*. The [provenance] of the pointer is used to determine which [allocated