syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"ty::Closure(_did,"}]}
source_snippet:             ty::Closure(_did, args) => args.visit_with(visitor),
context_before:             ty::CoroutineWitness(_did, args) => args.visit_with(visitor),
context_after:             ty::CoroutineClosure(_did, args) => args.visit_with(visitor),