class Kwh

# File lib/p1_meter_reader/kwh.rb, line 10
def initialize(value)
  self.value = value
end

# File lib/p1_meter_reader/kwh.rb, line 22
def -(other)
  kWh(self.value - other.value)
end

# File lib/p1_meter_reader/kwh.rb, line 14
def ==(other)
  if other.is_a?(Kwh)
    return (self - other).value.abs < 0.001
  end

  false
end

# File lib/p1_meter_reader/kwh.rb, line 26
def inspect
  "#{value}kWh"
end

# File lib/p1_meter_reader/kwh.rb, line 34
def to_f
  value
end

# File lib/p1_meter_reader/kwh.rb, line 30
def to_s
  inspect
end