Class: Daru::Offsets::Year

Inherits:
Tick show all
Defined in:
lib/daru/date_time/offsets.rb

Overview

Create a years offset

Examples:

Create a Year offset

offset = Daru::Offsets::Year.new(2)
offset + DateTime.new(2012,5,1,4,3)
#=> #<DateTime: 2014-05-01T04:03:00+00:00 ((2456779j,14580s,0n),+0s,2299161j)>

Instance Method Summary collapse

Methods inherited from Tick

#initialize

Methods inherited from DateOffset

#initialize

Constructor Details

This class inherits a constructor from Daru::Offsets::Tick

Instance Method Details

#+(date_time) ⇒ Object 



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# File 'lib/daru/date_time/offsets.rb', line 198

def + date_time
  date_time >> @n*12
end

#-(date_time) ⇒ Object 



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# File 'lib/daru/date_time/offsets.rb', line 202

def - date_time
  date_time << @n*12
end

#freq_string ⇒ Object 



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# File 'lib/daru/date_time/offsets.rb', line 194

def freq_string
  (@n == 1 ? '' : @n.to_s) + 'YEAR'
end