module Zip::DOSTime::JRubyCMP

def <(other)
  (self <=> other).negative?
end

def <=(other)
  (self <=> other) <= 0
end

def ==(other)
  (self <=> other).zero?
end

def >(other)
  (self <=> other).positive?
end

def >=(other)
  (self <=> other) >= 0
end