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Man Pages


Manual Reference Pages  -  STDLABELS.BYTES (3)

NAME

StdLabels.Bytes - no description

CONTENTS

Module
Documentation

Module

Module StdLabels.Bytes

Documentation

Module Bytes
: (module BytesLabels)

val length : bytes -> int

Return the length (number of bytes) of the argument.

val get : bytes -> int -> char

get s n returns the byte at index n in argument s .

Raise Invalid_argument if n not a valid index in s .

val set : bytes -> int -> char -> unit

set s n c modifies s in place, replacing the byte at index n with c .

Raise Invalid_argument if n is not a valid index in s .

val create : int -> bytes

create n returns a new byte sequence of length n . The sequence is uninitialized and contains arbitrary bytes.

Raise Invalid_argument if n < 0 or n > Sys.max_string_length .

val make : int -> char -> bytes

make n c returns a new byte sequence of length n , filled with the byte c .

Raise Invalid_argument if n < 0 or n > Sys.max_string_length .

val init : int -> f:(int -> char) -> bytes

init n f returns a fresh byte sequence of length n , with character i initialized to the result of f i .

Raise Invalid_argument if n < 0 or n > Sys.max_string_length .

val empty : bytes

A byte sequence of size 0.

val copy : bytes -> bytes

Return a new byte sequence that contains the same bytes as the argument.

val of_string : string -> bytes

Return a new byte sequence that contains the same bytes as the given string.

val to_string : bytes -> string

Return a new string that contains the same bytes as the given byte sequence.

val sub : bytes -> pos:int -> len:int -> bytes

sub s start len returns a new byte sequence of length len , containing the subsequence of s that starts at position start and has length len .

Raise Invalid_argument if start and len do not designate a valid range of s .

val sub_string : bytes -> int -> int -> string

Same as sub but return a string instead of a byte sequence.

val fill : bytes -> pos:int -> len:int -> char -> unit

fill s start len c modifies s in place, replacing len characters with c , starting at start .

Raise Invalid_argument if start and len do not designate a valid range of s .

val blit : src:bytes -> src_pos:int -> dst:bytes -> dst_pos:int -> len:int -> unit

blit src srcoff dst dstoff len copies len bytes from sequence src , starting at index srcoff , to sequence dst , starting at index dstoff . It works correctly even if src and dst are the same byte sequence, and the source and destination intervals overlap.

Raise Invalid_argument if srcoff and len do not designate a valid range of src , or if dstoff and len do not designate a valid range of dst .

val concat : sep:bytes -> bytes list -> bytes

concat sep sl concatenates the list of byte sequences sl , inserting the separator byte sequence sep between each, and returns the result as a new byte sequence.

val iter : f:(char -> unit) -> bytes -> unit

iter f s applies function f in turn to all the bytes of s . It is equivalent to f (get s 0); f (get s 1); ...; f (get s (length s - 1)); () .

val iteri : f:(int -> char -> unit) -> bytes -> unit

Same as Bytes.iter , but the function is applied to the index of the byte as first argument and the byte itself as second argument.

val map : f:(char -> char) -> bytes -> bytes

map f s applies function f in turn to all the bytes of s and stores the resulting bytes in a new sequence that is returned as the result.

val mapi : f:(int -> char -> char) -> bytes -> bytes

mapi f s calls f with each character of s and its index (in increasing index order) and stores the resulting bytes in a new sequence that is returned as the result.

val trim : bytes -> bytes

Return a copy of the argument, without leading and trailing whitespace. The bytes regarded as whitespace are the ASCII characters ’ ’ , \(rs012’ , \(rsn’ , \(rsr’ , and \(rst’ .

val escaped : bytes -> bytes

Return a copy of the argument, with special characters represented by escape sequences, following the lexical conventions of OCaml.

val index : bytes -> char -> int

index s c returns the index of the first occurrence of byte c in s .

Raise Not_found if c does not occur in s .

val rindex : bytes -> char -> int

rindex s c returns the index of the last occurrence of byte c in s .

Raise Not_found if c does not occur in s .

val index_from : bytes -> int -> char -> int

index_from s i c returns the index of the first occurrence of byte c in s after position i . Bytes.index s c is equivalent to Bytes.index_from s 0 c .

Raise Invalid_argument if i is not a valid position in s . Raise Not_found if c does not occur in s after position i .

val rindex_from : bytes -> int -> char -> int

rindex_from s i c returns the index of the last occurrence of byte c in s before position i+1 . rindex s c is equivalent to rindex_from s (Bytes.length s - 1) c .

Raise Invalid_argument if i+1 is not a valid position in s . Raise Not_found if c does not occur in s before position i+1 .

val contains : bytes -> char -> bool

contains s c tests if byte c appears in s .

val contains_from : bytes -> int -> char -> bool

contains_from s start c tests if byte c appears in s after position start . contains s c is equivalent to contains_from s 0 c .

Raise Invalid_argument if start is not a valid position in s .

val rcontains_from : bytes -> int -> char -> bool

rcontains_from s stop c tests if byte c appears in s before position stop+1 .

Raise Invalid_argument if stop < 0 or stop+1 is not a valid position in s .

val uppercase : bytes -> bytes

Return a copy of the argument, with all lowercase letters translated to uppercase, including accented letters of the ISO Latin-1 (8859-1) character set.

val lowercase : bytes -> bytes

Return a copy of the argument, with all uppercase letters translated to lowercase, including accented letters of the ISO Latin-1 (8859-1) character set.

val capitalize : bytes -> bytes

Return a copy of the argument, with the first byte set to uppercase.

val uncapitalize : bytes -> bytes

Return a copy of the argument, with the first byte set to lowercase.

type t = bytes

An alias for the type of byte sequences.

val compare : t -> t -> int

The comparison function for byte sequences, with the same specification as Pervasives.compare . Along with the type t , this function compare allows the module Bytes to be passed as argument to the functors Set.Make and Map.Make .

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OCamldoc STDLABELS.BYTES (3) 2016-03-17

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