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feat: Implement ATPIT

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This commit is contained in:
Shoyu Vanilla 2024-03-16 03:31:12 +09:00
parent f9a4d05195
commit d2aba91a0c
13 changed files with 365 additions and 55 deletions
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28
crates/hir-ty/src/display.rs
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@ -1063,6 +1063,20 @@ impl HirDisplay for Ty {
)?;
// FIXME: it would maybe be good to distinguish this from the alias type (when debug printing), and to show the substitution
}
ImplTraitId::AssociatedTypeImplTrait(alias, idx) => {
let datas =
db.type_alias_impl_traits(alias).expect("impl trait id without data");
let data =
(*datas).as_ref().map(|rpit| rpit.impl_traits[idx].bounds.clone());
let bounds = data.substitute(Interner, &parameters);
let krate = alias.krate(db.upcast());
write_bounds_like_dyn_trait_with_prefix(
f,
"impl",
bounds.skip_binders(),
SizedByDefault::Sized { anchor: krate },
)?;
}
ImplTraitId::AsyncBlockTypeImplTrait(body, ..) => {
let future_trait = db
.lang_item(body.module(db.upcast()).krate(), LangItem::Future)
@ -1228,6 +1242,20 @@ impl HirDisplay for Ty {
SizedByDefault::Sized { anchor: krate },
)?;
}
ImplTraitId::AssociatedTypeImplTrait(alias, idx) => {
let datas =
db.type_alias_impl_traits(alias).expect("impl trait id without data");
let data =
(*datas).as_ref().map(|rpit| rpit.impl_traits[idx].bounds.clone());
let bounds = data.substitute(Interner, &opaque_ty.substitution);
let krate = alias.krate(db.upcast());
write_bounds_like_dyn_trait_with_prefix(
f,
"impl",
bounds.skip_binders(),
SizedByDefault::Sized { anchor: krate },
)?;
}
ImplTraitId::AsyncBlockTypeImplTrait(..) => {
write!(f, "{{async block}}")?;
}