blob: 66a08a5cd0231944763face9c496b5b323cc0a13 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
require 'strscan'
module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module String #:nodoc:
# Custom string iterators
module Iterators
def self.append_features(base)
super unless '1.9'.respond_to?(:each_char)
end
# Yields a single-character string for each character in the string.
# When $KCODE = 'UTF8', multi-byte characters are yielded appropriately.
def each_char
scanner, char = StringScanner.new(self), /./mu
loop { yield(scanner.scan(char) || break) }
end
end
end
end
end
|