[@@deriving bin_io ~localize].Several new expression forms are supported to derive the individual values defined by ppx_bin_prot.
[%bin_shape: t][%bin_digest: t][%bin_size: t][%bin_write: t][%bin_read: t][%bin_writer: t][%bin_reader: t][%bin_type_class: t]Depend on ppxlib instead of (now deprecated) ppx_core, ppx_driver and ppx_type_conv.