class Bicycle::Gear
Attributes
chainring[R]
cog[R]
Public Class Methods
new(chainring, cog)
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# File lib/bicycle/gear.rb, line 3 def initialize(chainring, cog) @chainring = chainring @cog = cog end
Public Instance Methods
ratio()
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# File lib/bicycle/gear.rb, line 8 def ratio chainring / cog.to_f end