bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Prefer built-in sized impls for rigid types always

Browse source
This commit is contained in:
Michael Goulet 2025-03-07 17:52:17 +00:00
parent 52daa7d835
commit f9696dda6e
4 changed files with 41 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

5
compiler/rustc_middle/src/traits/select.rs
View file

@ -95,10 +95,13 @@ pub type EvaluationCache<'tcx, ENV> = Cache<(ENV, ty::PolyTraitPredicate<'tcx>),
/// parameter environment.
#[derive(PartialEq, Eq, Debug, Clone, TypeVisitable)]
pub enum SelectionCandidate<'tcx> {
/// UwU
SizedCandidate,
/// A builtin implementation for some specific traits, used in cases
/// where we cannot rely an ordinary library implementations.
///
/// The most notable examples are `sized`, `Copy` and `Clone`. This is also
/// The most notable examples are `Copy` and `Clone`. This is also
/// used for the `DiscriminantKind` and `Pointee` trait, both of which have
/// an associated type.
BuiltinCandidate {