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class Range
if RUBY_VERSION < '1.9'
# Return an array when step is called without a block.
def step_with_blockless(value = 1, &block)
if block_given?
step_without_blockless(value, &block)
else
array = []
step_without_blockless(value) { |step| array << step }
array
end
end
else
def step_with_blockless(value = 1, &block) #:nodoc:
if block_given?
step_without_blockless
else
step_without_blockless(value).to_a
end
end
end
alias_method_chain :step, :blockless
end
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