Octavian Neamțu oneamtu

## gist:99106fa4ee856878ad10
def mapper(a)
  b = a.map! { |x| x.nil? }
end

c = [nil]
expect(mapper(c)).to eq([true]) # => true
expect(mapper(c)).to eq([true]) # => false
	def mapper(a)
	b = a.map! { \|x\| x.nil? }
	end

	c = [nil]
	expect(mapper(c)).to eq([true]) # => true
	expect(mapper(c)).to eq([true]) # => false