{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"crate::ImplTraitId::ReturnTypeImplTrait(func,"}]}
                    crate::ImplTraitId::ReturnTypeImplTrait(func, idx) => {
                match impl_trait_id {
                        let infer = self.db.infer(func.into());