instiki/vendor/rails/activesupport/lib/active_support/core_ext/string/iterators.rb

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2007-01-22 14:43:50 +01:00
require 'strscan'
module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module String #:nodoc:
# Custom string iterators
module Iterators
# 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