syntax_data: {"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"Res::SelfCtor(_)"}]}
source_snippet:             Res::SelfCtor(_) => self.user_args_applied_to_ty_of_hir_id(hir_id).map(Box::new),
context_before:             // `Self` is used in expression as a tuple struct constructor or a unit struct constructor