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shanab/numeric.rb

Last active August 29, 2015 14:06
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Extending Numeric class to add currencies
Raw
numeric.rb
class Numeric
@@currencies = { dollar: 7.15, euro: 9.26, yen: 0.068 }
@@currencies.each do |currency, rate|
define_method(currency) do
self * rate
end
alias_method "#{currency}s".to_sym, currency
end
end
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