package containers

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package containers
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Utils around char

  • since 0.14

Documentation for the standard Char module

include module type of struct include Char end
val code : char -> int

Return the ASCII code of the argument.

val chr : int -> char

Return the character with the given ASCII code.

val escaped : char -> string

Return a string representing the given character, with special characters escaped following the lexical conventions of OCaml. All characters outside the ASCII printable range (32..126) are escaped, as well as backslash, double-quote, and single-quote.

val lowercase_ascii : char -> char

Convert the given character to its equivalent lowercase character, using the US-ASCII character set.

  • since 4.03
val uppercase_ascii : char -> char

Convert the given character to its equivalent uppercase character, using the US-ASCII character set.

  • since 4.03
type t = char

An alias for the type of characters.

val equal : t -> t -> bool

The equal function for chars.

  • since 4.03
val seeded_hash : int -> t -> int

A seeded hash function for characters, with the same output value as Hashtbl.seeded_hash. This function allows this module to be passed as argument to the functor Hashtbl.MakeSeeded.

  • since 5.1
val hash : t -> int

An unseeded hash function for characters, with the same output value as Hashtbl.hash. This function allows this module to be passed as argument to the functor Hashtbl.Make.

  • since 5.1
val compare : t -> t -> int

The comparison function for characters, with the same specification as Stdlib.compare. Along with the type t, this function compare allows the module Char to be passed as argument to the functors Set.Make and Map.Make.

val of_int_exn : int -> t

Alias to Char.chr. Return the character with the given ASCII code.

  • since 1.0
val of_int : int -> t option

Safe version of of_int_exn.

  • since 1.0
val to_int : t -> int

Alias to Char.code. Return the ASCII code of the argument.

  • since 1.0
val to_string : t -> string

to_string c returns a string containing c

  • since 2.7
val pp_buf : Buffer.t -> t -> unit

Renamed from pp since 2.0.

val pp : Format.formatter -> t -> unit

Renamed from print since 2.0.

Infix Operators

  • since 3.3
module Infix : sig ... end
include module type of Infix
val (=) : t -> t -> bool
  • since 3.3
val (<>) : t -> t -> bool
  • since 3.3
val (<) : t -> t -> bool
  • since 3.3
val (>) : t -> t -> bool
  • since 3.3
val (<=) : t -> t -> bool
  • since 3.3
val (>=) : t -> t -> bool
  • since 3.3
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