Bytesrw_hex (bytesrw.Bytesrw

Binary strings

val to_binary_string : ?length:int -> string -> (string, string) Stdlib.result

to_binary_string hex converts hex, made of upper or lowercase US-ASCII hexadecimal digits to a binary string. If length is specified, errors if the result is not exactly length bytes.

val of_binary_string : string -> string

of_binary_string s is the bytes of s in lowercase US-ASCII hexadecimal digits.

val pp_binary_string : Stdlib.Format.formatter -> string -> unit

pp_binary_string ppf s formats the bytes of s with lowercase US-ASCII hexadecimal digits.

val check_binary_string_length : 
  length:int ->
  string ->
  (string, string) Stdlib.result

check_binary_string_length ~length s checks that s has length bytes and errors otherwise.