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Added a furlong to kilometer method and spec. #16

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Added a furlong to kilometer method and spec. #16

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8 changes: 7 additions & 1 deletion furlong.rb
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Original file line number Diff line number Diff line change
@@ -1,7 +1,13 @@
class Furlong

KM_PER_MILE = 1.60934
KM_PER_FURLONG = 0.201168

def miles_to_kilometers(miles)
miles * KM_PER_MILE
end
end

def furlong_to_kilometers(furlong)
furlong * KM_PER_FURLONG
end
end
6 changes: 5 additions & 1 deletion furlong_spec.rb
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Expand Up @@ -12,4 +12,8 @@
it "converts a marathon: 26.219 miles to 42.194988 km" do
subject.miles_to_kilometers(26.219).should be_within(0.001).of(42.194988)
end
end

it "converts a furlong to a kilometer" do
subject.furlong_to_kilometers(1).should be_within(0.0001).of(0.201168)
end
end