23 lines
414 B
Ruby
23 lines
414 B
Ruby
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unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
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require 'json'
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end
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defined?(::Rational) or require 'rational'
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class Rational
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def self.json_create(object)
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Rational(object['n'], object['d'])
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end
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def as_json(*)
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{
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JSON.create_id => self.class.name,
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'n' => numerator,
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'd' => denominator,
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}
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end
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def to_json(*)
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as_json.to_json
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end
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end
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