22 lines
600 B
Ruby
22 lines
600 B
Ruby
require 'strscan'
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module ActiveSupport #:nodoc:
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module CoreExtensions #:nodoc:
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module String #:nodoc:
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# Custom string iterators
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module Iterators
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def self.append_features(base)
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super unless '1.9'.respond_to?(:each_char)
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end
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# Yields a single-character string for each character in the string.
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# When $KCODE = 'UTF8', multi-byte characters are yielded appropriately.
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def each_char
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scanner, char = StringScanner.new(self), /./mu
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loop { yield(scanner.scan(char) || break) }
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end
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end
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end
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end
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end
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