syntax_data: {"ast_node_type":"other","tokens":[{"end":10,"kind":"keyword","start":0,"text":");"}]}
source_snippet:         );
context_before:             DefKind::AssocFn | DefKind::Fn | DefKind::Ctor(_, CtorKind::Fn)
context_after:         let args = tcx.check_and_mk_args(def_id, args);