Bin_prot.Reader
type 'a t = 'a Bin_prot.Type_class.reader = {
read : 'a Read.reader;
vtag_read : (Base.Int.t -> 'a) Read.reader;
}
val of_string : 'a t -> Base.string -> 'a
val of_bytes : 'a t -> Base.bytes -> 'a