syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"|"}]}
source_snippet:             | ty::Coroutine(def_id, args) => {
context_before:             | ty::CoroutineClosure(def_id, args)
context_after:                 self.print_def_path(def_id, args)?;