Created
September 5, 2014 21:48
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Extending Numeric class to add currencies using method_missing
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| class Numeric | |
| @@currencies = { dollar: 7.15, euro: 9.26, yen: 0.068 } | |
| def method_missing(method_id, *args, &block) | |
| singular_currency = method_id.to_s.gsub(/s$/, '').to_sym | |
| if @@currencies.has_key?(singular_currency) | |
| self * @@currencies[singular_currency] | |
| else | |
| super | |
| end | |
| end | |
| end |
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