package containers

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  1. Utils around char
package containers
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Utils around char

  • since 0.14
include module type of Char
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
val compare : t -> t -> int
val lowercase_ascii : t -> t

See Char

  • since 0.20
val uppercase_ascii : t -> t

See Char

  • since 0.20
val of_int_exn : int -> t

Alias to Char.chr

  • 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

  • since 1.0
val to_int : t -> int

Alias to Char.code

  • since 1.0
val pp : Buffer.t -> t -> unit
val print : Format.formatter -> t -> unit