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(** {1 Utils around char}
@since 0.14 *)
include Char
let pp_buf = Buffer.add_char
let pp = Format.pp_print_char
let of_int_exn = Char.chr
let of_int c = try Some (of_int_exn c) with Invalid_argument _ -> None
let to_int = Char.code
let to_string c = String.make 1 c
module Infix = struct
let ( = ) : t -> t -> bool = Stdlib.( = )
let ( <> ) : t -> t -> bool = Stdlib.( <> )
let ( < ) : t -> t -> bool = Stdlib.( < )
let ( > ) : t -> t -> bool = Stdlib.( > )
let ( <= ) : t -> t -> bool = Stdlib.( <= )
let ( >= ) : t -> t -> bool = Stdlib.( >= )
end
include Infix
let is_uppercase_ascii c = c > '\064' && c < '\091'
let is_lowercase_ascii c = c > '\096' && c < '\123'
let is_letter_ascii c =
(is_lowercase_ascii [@inlined]) c || (is_uppercase_ascii [@inlined]) c
let is_digit_ascii c = c > '\047' && c < '\058'
let is_whitespace_ascii c = c = '\032' || (c > '\008' && c < '\014')