class Delta
Public Class Methods
asci_decode(array_of_digits)
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# File lib/deltacoding.rb, line 25 def asci_decode(array_of_digits) decode(array_of_digits).map { |e| e.chr(Encoding::UTF_8) }.join end
asci_encode(string)
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# File lib/deltacoding.rb, line 21 def asci_encode(string) encode(string.split('').map(&:ord)) end
decode(array_of_digits)
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# File lib/deltacoding.rb, line 13 def decode(array_of_digits) array_of_digits.each.with_index.each_with_object([]) do |(elem, index), arr| next arr << elem if index.zero? arr << elem + arr[index - 1] end end
encode(array_of_digits)
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# File lib/deltacoding.rb, line 5 def encode(array_of_digits) array_of_digits.map.with_index do |elem, index| next elem if index.zero? elem - array_of_digits[index - 1] end end