Struct with an OpenStruct-style initializer

struct-play.rb

class Struct
  def self.create(params = {})
    self.new.tap do |obj|
      params.each do |key, val|
        obj.send("#{key}=", val)
      end
    end
  end
end

class Page < Struct.new(:title, :body); end

p1 = Page.new("title1", "body1")
p2 = Page.create(:body => "body2", :title => "title2")

puts p1.inspect # => <struct Page title="title1", body="body1">
puts p2.inspect # => <struct Page title="title2", body="body2">