syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"body.coroutine.as_mut().unwrap().coroutine_layout"}]}
source_snippet:         body.coroutine.as_mut().unwrap().coroutine_layout = Some(layout);
context_before:         body.coroutine.as_mut().unwrap().resume_ty = None;