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@JosephLeon

JosephLeon/gist:73117140f098eef7e80a0cac2fde94b8

Last active April 10, 2016 00:23
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gistfile1.txt
class Gear
attr_reader :chainring, :cog
def initialize(chanring, cog)
@chainring = chainring
@cog = cog
end
def ratio
chainring / cog.to_f
end
end
puts Gear.new(52, 11).ratio
## ERROR
init.rb:9:in `ratio': undefined method `/' for nil:NilClass (NoMethodError)
from init.rb:13:in `<main>'
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