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Document PointerLike

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This commit is contained in:
Michael Goulet 2023-02-12 01:09:09 +00:00
parent 2b3f260e74
commit cca82fd997
1 changed files with 4 additions and 1 deletions
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5
library/core/src/marker.rs
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@ -871,7 +871,10 @@ pub trait Destruct {}
#[rustc_deny_explicit_impl] #[rustc_deny_explicit_impl]
pub trait Tuple {} pub trait Tuple {}
/// A marker for things /// A marker for pointer-like types.
///
/// All types that have the same size and alignment as a `usize` or
/// `*const ()` automatically implement this trait.
#[unstable(feature = "pointer_like_trait", issue = "none")] #[unstable(feature = "pointer_like_trait", issue = "none")]
#[cfg_attr(bootstrap, lang = "pointer_sized")] #[cfg_attr(bootstrap, lang = "pointer_sized")]
#[cfg_attr(not(bootstrap), lang = "pointer_like")] #[cfg_attr(not(bootstrap), lang = "pointer_like")]