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 char
An alias for the type of characters.
val compare : t -> t -> int
The comparison function for characters, with the same specification as
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