package containers

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A modular, clean and powerful extension of the OCaml standard library

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dune-project
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Sources

containers-3.17.tbz
sha256=0f70824867269c02bf01ae12206aa47a6f669d69f1954c19e68ece9f444f1cba
sha512=11de2d7b7173659e6b83c487ac116a93d4b780b86da07386e7604f8fd45f6841e93cba59dba59ed7dbf6e1bc26561202ae1d2e7238a12f588dfd557d4f2da589

doc/src/containers/CCByte_slice.ml.html

Source file CCByte_slice.ml

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type t = {
  bs: bytes;
  mutable off: int;
  mutable len: int;
}

let show self = Printf.sprintf "<slice len=%d>" self.len
let pp out self = Format.pp_print_string out (show self)

let create ?(off = 0) ?len bs =
  let len =
    match len with
    | None -> Bytes.length bs - off
    | Some n ->
      if n < 0 || off + n > Bytes.length bs then
        invalid_arg "Bslice: invalid length";
      n
  in
  { bs; off; len }

let[@inline] unsafe_of_string ?off ?len s =
  create ?off ?len (Bytes.unsafe_of_string s)

let[@inline] len self = self.len
let[@inline] contents self = Bytes.sub_string self.bs self.off self.len

let[@inline] get self i : char =
  if i >= self.len then invalid_arg "Bslice: out of bound access";
  Bytes.unsafe_get self.bs (self.off + i)

let[@inline] set self i c : unit =
  if i >= self.len then invalid_arg "Bslice: out of bound access";
  Bytes.unsafe_set self.bs (self.off + i) c

let sub self off len =
  if off + len > self.len then invalid_arg "Bslice: invalid length";
  { bs = self.bs; off = self.off + off; len }

let[@inline] consume self n : unit =
  if n > self.len then invalid_arg "Bslice: consuming too many bytes";
  self.off <- self.off + n;
  self.len <- self.len - n