syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"args.as_closure().tupled_upvars_ty().visit_with(self);"}]}
source_snippet:                 args.as_closure().tupled_upvars_ty().visit_with(self);
context_before:             ty::Closure(_, args) => {
context_after:             }