syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"Ty::new(tcx,"}]}
source_snippet:         Ty::new(tcx, Coroutine(def_id, coroutine_args))
context_before:         tcx.debug_assert_args_compatible(def_id, coroutine_args);
context_after:     }