syntax_data: {"ast_node_type":"variable","tokens":[{"end":54,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let local = place.as_local().unwrap();
context_before:             StatementKind::Assign(box (place, Rvalue::CopyForDeref(reffed))) => {
context_after:                 assert!(self.body.local_decls[local].is_deref_temp());