syntax_data: {"ast_node_type":"other","tokens":[{"end":27,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:         match self.kind() {
context_before:     pub fn boxed_ty(self) -> Option<Ty<'tcx>> {
context_after:             Adt(def, args) if def.is_box() => Some(args.type_at(0)),