Class: Trialgemgue

Inherits:
Object
  • Object
show all
Defined in:
lib/aboutarray.rb

Class Method Summary collapse

Class Method Details

.all_duplicate(arr) ⇒ Object 



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# File 'lib/aboutarray.rb', line 2

def self.all_duplicate(arr)
	raise 'Type Error' unless arr.instance_of? Array

	@arr = arr
	@arr.sort!
	report = []
	duplicate_item_list = arr.uniq # [1,1,2] [1,2]
	duplicate_item_list.each do |candidate|
		duplicate_item_count = find_all_duplicate(candidate)
		next unless duplicate_item_count > 1

		report << [candidate, duplicate_item_count]
	end

	return reporting(report)

end