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lcnr 2022-11-23 17:39:51 +01:00
parent 31431ccda9
commit 84e97907c6
1 changed files with 6 additions and 0 deletions
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6
compiler/rustc_middle/src/traits/select.rs
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@ -105,6 +105,12 @@
/// parameter environment. /// parameter environment.
#[derive(PartialEq, Eq, Debug, Clone, TypeFoldable, TypeVisitable)] #[derive(PartialEq, Eq, Debug, Clone, TypeFoldable, TypeVisitable)]
pub enum SelectionCandidate<'tcx> { pub enum SelectionCandidate<'tcx> {
/// 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
/// used for the `DiscriminantKind` and `Pointee` trait, both of which have
/// an associated type.
BuiltinCandidate { BuiltinCandidate {
/// `false` if there are no *further* obligations. /// `false` if there are no *further* obligations.
has_nested: bool, has_nested: bool,