mrbgems/mruby-numeric-ext/mrblib/numeric_ext.rb


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module Integral
  def div(other)
    self.divmod(other)[0]
  end

  def zero?
    self == 0
  end

  def nonzero?
    if self == 0
      nil
    else
      self
    end
  end

  def positive?
    self > 0
  end

  def negative?
    self < 0
  end
end