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Document PointerLike #107943

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Feb 13, 2023
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Document PointerLike #107943

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5 changes: 4 additions & 1 deletion library/core/src/marker.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -871,7 +871,10 @@ pub trait Destruct {}
#[rustc_deny_explicit_impl]
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")]
#[cfg_attr(bootstrap, lang = "pointer_sized")]
#[cfg_attr(not(bootstrap), lang = "pointer_like")]
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