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Replace SmolStr usage with lang item enum for lang items

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This commit is contained in:
Lukas Wirth 2023-01-21 17:29:07 +01:00
parent 1afa032f34
commit 1535881836
21 changed files with 432 additions and 193 deletions
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5
crates/hir/src/display.rs
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@ -4,6 +4,7 @@ use hir_def::{
generics::{
TypeOrConstParamData, TypeParamProvenance, WherePredicate, WherePredicateTypeTarget,
},
lang_item::LangItem,
type_ref::{TypeBound, TypeRef},
AdtId, GenericDefId,
};
@ -14,7 +15,6 @@ use hir_ty::{
},
Interner, TraitRefExt, WhereClause,
};
use syntax::SmolStr;
use crate::{
Adt, Const, ConstParam, Enum, Field, Function, GenericParam, HasCrate, HasVisibility,
@ -261,8 +261,7 @@ impl HirDisplay for TypeParam {
bounds.iter().cloned().map(|b| b.substitute(Interner, &substs)).collect();
let krate = self.id.parent().krate(f.db).id;
let sized_trait =
f.db.lang_item(krate, SmolStr::new_inline("sized"))
.and_then(|lang_item| lang_item.as_trait());
f.db.lang_item(krate, LangItem::Sized).and_then(|lang_item| lang_item.as_trait());
let has_only_sized_bound = predicates.iter().all(move |pred| match pred.skip_binders() {
WhereClause::Implemented(it) => Some(it.hir_trait_id()) == sized_trait,
_ => false,