variable in ruby shadows method with the same name

tester.rb

class Tester
  def test
    if false
      # variable 'var' is now in scope because it's defined syntactically (at parse time)
      var = 'bar'
    end
    # variable 'var' shadows method with the same name. variable 'var' was defined, but never assigned which means it equals nil
    puts var.inspect # => nil
  end

  def var
    'foo'
  end
end

Tester.new.test