package containers

  1. Overview
  2. Docs
On This Page
  1. Utils around char
package containers
Legend:
Library
Module
Module type
Parameter
Class
Class type

Utils around char

  • since 0.14
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. Raise Invalid_argument "Char.chr" if the argument is outside the range 0--255.

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 : char -> char

Convert the given character to its equivalent lowercase character, using the ISO Latin-1 (8859-1) character set.

  • deprecated

    Functions operating on Latin-1 character set are deprecated.

val uppercase : char -> char

Convert the given character to its equivalent uppercase character, using the ISO Latin-1 (8859-1) character set.

  • deprecated

    Functions operating on Latin-1 character set are deprecated.

type t = char

An alias for the type of characters.

val equal : t -> t -> bool

The equal function for chars.

val compare : t -> t -> int

The comparison function for characters, with the same specification as Pervasives.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 lowercase_ascii : t -> t

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

  • since 0.20
val uppercase_ascii : t -> t

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

  • since 0.20
val of_int_exn : int -> t

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

  • raises Invalid_argument

    if the int is not within 0,...,255.

  • 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 return 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.

OCaml

Innovation. Community. Security.

GitHub Discord Twitter Peertube RSS
About
Changelog Releases Industrial Users Academic Users Why OCaml
Ecosystem
Packages Community Events OCaml Planet Jobs
Resources
Install OCaml Get Started Platform Tools Language Manual Standard Library API Books Exercises Papers OCaml Playground Logo
Policies
Carbon Footprint Governance Privacy Code of Conduct