bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Add an intrinsic for ptr::metadata

Browse source
This commit is contained in:
Scott McMurray 2024-04-21 16:11:01 -07:00
parent 7717a306b2
commit 459ce3f6bb
31 changed files with 422 additions and 52 deletions
Download patch file Download diff file Expand all files Collapse all files

7
compiler/rustc_middle/src/mir/syntax.rs
View file

@ -1434,6 +1434,13 @@ pub enum UnOp {
Not,
/// The `-` operator for negation
Neg,
/// Get the metadata `M` from a `*const/mut impl Pointee<Metadata = M>`.
///
/// For example, this will give a `()` from `*const i32`, a `usize` from
/// `*mut [u8]`, or a pointer to a vtable from a `*const dyn Foo`.
///
/// Allowed only in [`MirPhase::Runtime`]; earlier it's an intrinsic.
PtrMetadata,
}
#[derive(Copy, Clone, Debug, PartialEq, PartialOrd, Ord, Eq, Hash)]