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fix: comletion detail shows {unknown} for impl Trait in return position

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This commit is contained in:
iDawer
2022-04-12 20:40:31 +05:00
parent 66c232d03b
commit f972adc201
2 changed files with 42 additions and 3 deletions
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6
crates/hir/src/lib.rs
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@@ -1358,9 +1358,9 @@ impl Function {
/// Get this function's return type
pub fn ret_type(self, db: &dyn HirDatabase) -> Type {
let resolver = self.id.resolver(db.upcast());
let ret_type = &db.function_data(self.id).ret_type;
let ctx = hir_ty::TyLoweringContext::new(db, &resolver);
let ty = ctx.lower_ty(ret_type);
let substs = TyBuilder::placeholder_subst(db, self.id);
let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs);
let ty = callable_sig.ret().clone();
Type::new_with_resolver_inner(db, &resolver, ty)
}