{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"let"}]}
                    let len = codegen_array_len(fx, place);
                    let usize_layout = fx.layout_of(fx.tcx.types.usize);
                    lval.write_cvalue(fx, CValue::by_val(len, usize_layout));