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Implement #[rustc_skip_array_during_method_dispatch]

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This commit is contained in:
Josh Stone 2021-04-12 16:03:53 -07:00
parent 2faef12b65
commit b79af2fcde
8 changed files with 38 additions and 1 deletions
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7
compiler/rustc_middle/src/ty/trait_def.rs
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@ -35,6 +35,11 @@ pub struct TraitDef {
/// and thus `impl`s of it are allowed to overlap.
pub is_marker: bool,
/// If `true`, then this trait has the `#[rustc_skip_array_during_method_dispatch]`
/// attribute, indicating that editions before 2021 should not consider this trait
/// during method dispatch if the receiver is an array.
pub skip_array_during_method_dispatch: bool,
/// Used to determine whether the standard library is allowed to specialize
/// on this trait.
pub specialization_kind: TraitSpecializationKind,
@ -82,6 +87,7 @@ impl<'tcx> TraitDef {
paren_sugar: bool,
has_auto_impl: bool,
is_marker: bool,
skip_array_during_method_dispatch: bool,
specialization_kind: TraitSpecializationKind,
def_path_hash: DefPathHash,
) -> TraitDef {
@ -91,6 +97,7 @@ impl<'tcx> TraitDef {
paren_sugar,
has_auto_impl,
is_marker,
skip_array_during_method_dispatch,
specialization_kind,
def_path_hash,
}