Initializing a Struct with a block

strcut_new_block.rb

describe "Struct", "Struct.new" do
  context "initializing with a block" do
    it "should support the implementation defined in the block" do
      Struct.new("Person", :name, :gender, :age) do
        def to_s
          "Hi! My name is #{name} and I am a #{age} year old #{gender}."
        end
      end
      fred = Struct::Person.new("Fred", "male", 50)
      fred.to_s.should == "Hi! My name is Fred and I am a 50 year old male."
    end
  end
end