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# File 'ext/enterprise_script_service/mruby/mrblib/numeric.rb', line 163
def step(num=nil, step=1, &block)
raise ArgumentError, "step can't be 0" if step == 0
return to_enum(:step, num, step) unless block
i = self
if num == self || step.infinite?
block.call(i) if step > 0 && i <= (num||i) || step < 0 && i >= (num||-i)
elsif num == nil
while true
block.call(i)
i += step
end
elsif step > 0
while i <= num
block.call(i)
i += step
end
else
while i >= num
block.call(i)
i += step
end
end
self
end
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