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Upgrade Chalk

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This commit is contained in:
Jack Huey
2021-01-01 13:44:31 -05:00
parent e0d9f79399
commit 4b64bc1fc9
20 changed files with 207 additions and 51 deletions
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15
compiler/rustc_middle/src/traits/chalk.rs
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@@ -72,6 +72,7 @@ impl<'tcx> chalk_ir::interner::Interner for RustInterner<'tcx> {
type InternedQuantifiedWhereClauses = Vec<chalk_ir::QuantifiedWhereClause<Self>>;
type InternedVariableKinds = Vec<chalk_ir::VariableKind<Self>>;
type InternedCanonicalVarKinds = Vec<chalk_ir::CanonicalVarKind<Self>>;
type InternedVariances = Vec<chalk_ir::Variance>;
type InternedConstraints = Vec<chalk_ir::InEnvironment<chalk_ir::Constraint<Self>>>;
type DefId = DefId;
type InternedAdtId = &'tcx AdtDef;
@@ -351,6 +352,20 @@ impl<'tcx> chalk_ir::interner::Interner for RustInterner<'tcx> {
) -> &'a [chalk_ir::InEnvironment<chalk_ir::Constraint<Self>>] {
constraints
}
fn intern_variances<E>(
&self,
data: impl IntoIterator<Item = Result<chalk_ir::Variance, E>>,
) -> Result<Self::InternedVariances, E> {
data.into_iter().collect::<Result<Vec<_>, _>>()
}
fn variances_data<'a>(
&self,
variances: &'a Self::InternedVariances,
) -> &'a [chalk_ir::Variance] {
variances
}
}
impl<'tcx> chalk_ir::interner::HasInterner for RustInterner<'tcx> {