Method: Fixnum#bit_length

Defined in:
lib/backports/2.1.0/fixnum/bit_length.rb

#bit_length ⇒ Object 



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# File 'lib/backports/2.1.0/fixnum/bit_length.rb', line 4

def bit_length
  n = if self >= 0
    self + 1
  else
    -self
  end
  (0...8 * size).bsearch{|i| n <= (1 << i) }
end