module LChar = struct
 (*  {1 Logic mode char}      An 8-bit char.  *)
  type LChar.t =
    | LChar.Char of bool * bool * bool * bool * bool * bool * bool * bool
  
  let LChar.zero : LChar.t =
    LChar.Char (false, false, false, false, false, false, false, false)
  (* [LChar.zero] returns a character with all bits set to false (null character)
     
     Usage/Pattern: Creating a null/zero character, like '\0' or character code 0 in other languages *)
  
  let LChar.is_printable (c : LChar.t) : bool =
    match c with
    | LChar.Char (false, false, true, false, false, false, false, false) ->
      false
    | (LChar.Char (_, true, _, _, _, _, _, _) |
       LChar.Char (_, _, true, _, _, _, _, _)) ->
      true
    | _ -> false
  (* [LChar.is_printable c] tests if character [c] is printable based on its bit pattern
     
     Usage/Pattern: Checking if a character is displayable/printable, like isprint() or similar character classification functions *)
end