Util_serpack.Lazy
type 'a t = 'a lazy_t
val to_serpack : (Ser_pack.Ser.state -> 'a -> Imandrakit_ser_pack.value) -> 'b lazy_t Ser_pack.Ser.t
val of_serpack : (Ser_pack.Deser.state -> Imandrakit_ser_pack.value -> 'a) -> 'b lazy_t Ser_pack.Deser.t