Hash: Setting Attributes

class User
  attr_accessor :name, :email, :bio, :age, :sex

  def initialize(config = {})
    @name = config[:name] || "n/a"
    @email = config[:email] || "n/a"
    @bio = config[:bio] || "n/a"
    @age = config[:age] || "n/a"
    @sex = config[:sex] || "n/a"
  end
end

u = User.new(name: "Bob")