To demonstrate strange behaviour in ruby-ncurses gem

inheritance.rb

class A
  def to_s
    "class a"
  end
end

class B
  def B.new()
    A.new()
  end

  def to_s
    "class b"
  end
end

class C < B
  def initialize
    super
  end

  def to_s
    "class c"
  end
end

c = C.new
c.to_s # => "class a"