Man pages sections > man3 > Char

Char - Character operations.

Char(3o) OCamldoc Char(3o)

NAME

Char - Character operations.

Module

Module Char

Documentation

Module Char
: sig end
 
 
Character operations.
 
 
 
 
 
 
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
 
Deprecated. Functions operating on Latin-1 character set are deprecated.
 
 
Convert the given character to its equivalent lowercase character, using the ISO Latin-1 (8859-1) character set.
 
 
 
val uppercase : char -> char
 
Deprecated. Functions operating on Latin-1 character set are deprecated.
 
 
Convert the given character to its equivalent uppercase character, using the ISO Latin-1 (8859-1) character set.
 
 
 
val lowercase_ascii : char -> char
 
Convert the given character to its equivalent lowercase character, using the US-ASCII character set.
 
 
Since 4.03.0
 
 
 
val uppercase_ascii : char -> char
 
Convert the given character to its equivalent uppercase character, using the US-ASCII character set.
 
 
Since 4.03.0
 
 
type t = char
 
 
An alias for the type of characters.
 
 
 
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 equal : t -> t -> bool
 
The equal function for chars.
 
 
Since 4.03.0
 
 
source: 2017-10-04