syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"ty::CoroutineClosure(_,"}]}
source_snippet:         ty::CoroutineClosure(_, args) => {
context_after:             univariant(args.as_coroutine_closure().upvar_tys(), StructKind::AlwaysSized)?