Method: Noyes::BitArray#shift

Defined in:
lib/ruby_impl/compression.rb

#shift ⇒ Object

Returns the first bit and removes it, shifting all bits by one.



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# File 'lib/ruby_impl/compression.rb', line 116

def shift
  return if @array.empty?
  bit = @array.first & 0x80000000 >> @start_bit == 0 ? 0 : 1
  if @start_bit == 31
    @start_bit = 0
    @end_bit -= 32
    @array.shift
  else
    @start_bit += 1
  end
  bit
end