Module: ArrayExtensions

Included in:
Array
Defined in:
lib/extensions/array_extensions.rb

Overview

Array extensions

Instance Method Summary collapse

Instance Method Details

#last_index(item) ⇒ Object 



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# File 'lib/extensions/array_extensions.rb', line 21

def last_index(item)
  self.length - 1 - self.reverse.index(item)
end

#rotate!(cnt = 1) ⇒ Object 



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# File 'lib/extensions/array_extensions.rb', line 25

def rotate!(cnt=1)
  cnt.times do
    tmp = self.shift
    self.push(tmp)
  end
  self
end

#to_downcase_str_arr ⇒ Object 



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# File 'lib/extensions/array_extensions.rb', line 13

def to_downcase_str_arr
  self.collect{|x| x.to_s.downcase}
end

#to_f ⇒ Object 



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# File 'lib/extensions/array_extensions.rb', line 4

def to_f
  epoch = DateTime.new(1970, 1, 1)
  (self - epoch).to_f * 24 * 60 * 60  # DateTime deltas are in days

end

#to_i_arr ⇒ Object 



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# File 'lib/extensions/array_extensions.rb', line 17

def to_i_arr
  self.collect{|x| x.to_i}
end

#to_str_arr ⇒ Object 



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# File 'lib/extensions/array_extensions.rb', line 9

def to_str_arr
  self.collect{|x| x.to_s}
end