From: Adam Prescott <mentionuse@...>
Date: 2010-09-07T03:58:49+09:00
Subject: Re: A better idiomatic way of doing this?!

On Mon, Sep 6, 2010 at 6:23 PM, Brian Candler <B.Candler@pobox.com> wrote:
>
> On Tue, Sep 07, 2010 at 01:59:53AM +0900, Tim Romberg wrote:
> > @Brian: Thanks for your feedback. I am aware that I'm not practicing
> > "good" Ruby yet, I hope with more time I will develop. The reason why
> > included the module was because one of the musts with the assignment was
> > to output a menu through a module.
>
> In your original code you only had class methods, so you could have defined
> them directly on a module instead:
>
> module Menu
>  def self.whatever
>    puts "Hello"
>  end
> end
> Menu.whatever
>
> This is because a class *is* a module, just with the extra abilities of
> creating instances and subclassing, which you weren't using.
>
> > When I want to create the other menus
> > as you stated with the main_menu example can I just continue creating
> > the menu objects equally?! For example:
> > m = Menu.new ["Checkin","Checkout","Lists","Economy","Exit"]
> > m.main_menu
> > m = Menu.new ["list current guests","list all guests","back to main
> > menu"]
> >  m.lists_menu
>
> Sure; or store them in different variables (or constants) and then re-use
> them as you like.  You might choose a more descriptive name for your method
> which prints the menu and lets the user choose a selection.
>
> main_menu = Menu.new ["Checkin","Checkout","Lists","Economy","Exit"]
> lists_menu = Menu.new ["list current guests","list all guests","back to main
> menu"]
> main_menu.choose
> lists_menu.choose
>
> Regards,
>
> Brian.
>

I'd also like to add that this would be good for simplicity:

class Menu
  def self.[](*args)
    self.new(*args)
  end
end

to allow you to say

main_menu = Menu["Checkin","Checkout","Lists","Economy","Exit"]