{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"alloc.write_scalar(alloc_range(Size::ZERO,"}]}
                alloc.write_scalar(alloc_range(Size::ZERO, a_val.size()), a_val)?;
                alloc.write_scalar(alloc_range(b_offset, b_val.size()), b_val)?;