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Intern Variances

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This may be a slight performance improvement.
This commit is contained in:
Florian Diebold 2021-04-08 20:55:03 +02:00
parent f778e50b71
commit 417473aa3d
1 changed files with 3 additions and 2 deletions
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5
crates/hir_ty/src/traits/chalk/interner.rs
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@ -59,6 +59,7 @@ impl_internable!(
InternedWrapper<Vec<chalk_ir::CanonicalVarKind<Interner>>>,
InternedWrapper<Vec<chalk_ir::ProgramClause<Interner>>>,
InternedWrapper<Vec<chalk_ir::QuantifiedWhereClause<Interner>>>,
InternedWrapper<Vec<chalk_ir::Variance>>,
);
impl chalk_ir::interner::Interner for Interner {
@ -76,7 +77,7 @@ impl chalk_ir::interner::Interner for Interner {
type InternedVariableKinds = Interned<InternedVariableKindsInner>;
type InternedCanonicalVarKinds = Interned<InternedWrapper<Vec<chalk_ir::CanonicalVarKind<Self>>>>;
type InternedConstraints = Vec<chalk_ir::InEnvironment<chalk_ir::Constraint<Self>>>;
type InternedVariances = Arc<[chalk_ir::Variance]>;
type InternedVariances = Interned<InternedWrapper<Vec<chalk_ir::Variance>>>;
type DefId = InternId;
type InternedAdtId = hir_def::AdtId;
type Identifier = TypeAliasId;
@ -413,7 +414,7 @@ impl chalk_ir::interner::Interner for Interner {
&self,
data: impl IntoIterator<Item = Result<chalk_ir::Variance, E>>,
) -> Result<Self::InternedVariances, E> {
data.into_iter().collect()
Ok(Interned::new(InternedWrapper(data.into_iter().collect::<Result<_, _>>()?)))
}
fn variances_data<'a>(