# Example simple class
class Foo
  def initialize (aBar)
    @bar = aBar;
  end

  def bar
    @bar;
  end

  def bar= (aBar)
    @bar = aBar;
  end
end

# Example usage
foo = Foo.new("Hello");
puts foo.bar;           # prints "Hello\n"
foo.bar = "World";
puts foo.bar;           # prints "World\n"