class AgeCalculator
Constants
- VERSION
Public Class Methods
new(birthday)
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# File lib/age_calculator.rb, line 6 def initialize(birthday) @birthday = birthday unless @birthday.is_a?(Date) fail ArgumentError, "#{@birthday.inspect} is not a date" end end
Public Instance Methods
age(asof: nil)
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# File lib/age_calculator.rb, line 14 def age(asof: nil) ((asof || today).strftime('%Y%m%d').to_i - @birthday.strftime('%Y%m%d').to_i) / 10000 end
today()
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# File lib/age_calculator.rb, line 18 def today Time.respond_to?(:zone) ? Time.zone.today : Date.today end