Response to das-0050-shorter-class-syntax.mov

das-0050-shorter-class-syntax.rb

class UClass
  def self.<(*keys)
    define_method(:initialize) do |*args|
      keys.each_with_index do |key,i|
        instance_variable_set("@#{key}".to_sym,args[i])
      end
    end
    self
  end
  def self.>(method,&block) 
    define_method(method, &block)
    self
  end
end

UserPresenter = UClass.<(:user).>(:full_name){[@user.first_name,@user.last_name] * ' '}

describe UserPresenter do
  let (:user) { stub(:user, first_name: 'Bob', last_name: 'Smith')}
  it "presents users' full name" do
    UserPresenter.new(user).full_name.should == 'Bob Smith'
  end
end