bjoernager/rust
bjoernager/rust
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add eq constraints on associated constants

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This commit is contained in:
kadmin 2021-07-30 08:56:45 +00:00
parent a34c079752
commit 0765999622
23 changed files with 195 additions and 113 deletions
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9
compiler/rustc_ast_lowering/src/lib.rs
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@ -960,7 +960,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
/// returns a `hir::TypeBinding` representing `Item`.
fn lower_assoc_ty_constraint(
&mut self,
constraint: &AssocTyConstraint,
constraint: &AssocConstraint,
mut itctx: ImplTraitContext<'_, 'hir>,
) -> hir::TypeBinding<'hir> {
debug!("lower_assoc_ty_constraint(constraint={:?}, itctx={:?})", constraint, itctx);
@ -997,10 +997,13 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
};
let kind = match constraint.kind {
AssocTyConstraintKind::Equality { ref ty } => {
AssocConstraintKind::Equality { ref ty } => {
hir::TypeBindingKind::Equality { ty: self.lower_ty(ty, itctx) }
}
AssocTyConstraintKind::Bound { ref bounds } => {
AssocConstraintKind::ConstEquality { ref c } => {
hir::TypeBindingKind::Const { c: self.lower_anon_const(c) }
}
AssocConstraintKind::Bound { ref bounds } => {
let mut capturable_lifetimes;
let mut parent_def_id = self.current_hir_id_owner;
// Piggy-back on the `impl Trait` context to figure out the correct behavior.