From: Jellen Chan <jellen@...>
Date: 2005-12-09T00:36:28+09:00
Subject: Re: Best Practice Advise for a Total Ruby Beginner

crosone wrote:
> Hey, I've just started running through the first edition of
> "Programming Ruby" and I'm already enjoying this language.  I'm not the
> best programmer in the world (self-taught) so I'm coming here to ask
> for advise.  Here's the situation (simplified for example):
> 
> class Ticket
> 	def initialize( id )
> 		@id	= id
> 		@messages = Array.new(0)
> 	end
> 
> 	def addMessage( message )
> 		@messages << message #push message
> 		@messages = @messages.sort { |a,b| a.created <=> b.created } #sort by
> create time
> 	end
> end
> 
> class Message
> 	def initialize( created )
> 		@created = created
> 	end
> 
> 	def created
> 		@created
> 	end
> end
> 
> ticket = Ticket.new( 1 )
> ticket.addMessage( Message.new( 2005 ) )
> ticket.addMessage( Message.new( 1999 ) )
> 
> I found I had to make a method to access the "created" instance var in
> the Message class in the sort block.  I tried using a.@created and
> b.@created but it threw a syntax error.  So, my question: Is making a
> method simply to access a var as in this case "good programming"?
> 
> Paul

Do you mean code like this:

class Man
  attr_accessor :name  # use 'attr_accessor' to access a parameter

  def initialize(name)
    @name = name
  end
end

foo = Man.new('Foo')
puts "Foo's name: #{foo.name}"

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