Add week to Date and Time : DateTime « Date « Ruby






  1. Ruby
  2. Date
  3. DateTime

Add week to Date and Time


require 'date'

module Week
  def week
    (yday + 7 - wday) / 7
  end
end

class Date
  include Week
end

class Time
  include Week
end

saturday = DateTime.new(2005, 1, 1)
saturday.week                                    # => 0
(saturday+1).week                                # => 1   #Sunday, January 2
(saturday-1).week                                # => 52  #Friday, December 31








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