From: Austin Ziegler <austin@...>
Date: 2002-11-14T00:07:27+09:00
Subject: Re: Keyword arguments?

On Wed, 13 Nov 2002 19:17:14 +0900, ahoward wrote:
> On Tue, 12 Nov 2002, Vis Mike wrote:
>> Keyword arguments help with ambiguity.
> this is close
> 
> class Person
>   def initialize args
>     @name = args[:name]
>     @age = args[:age]
>   end
> end
> 
> me = Person.new :name => 'ara', :age => 30
> 
> note that's a hash, not keywords - but you get the same effect.

Dave & Andy also noted that you can make it so that initialize
receives a block. Lyle recently implemented a change to the FXRuby
code that makes the technique cleaner (in that you don't have to use
'self' all over the place), like so:

class Person
  attr_accessor :name, :age

  def initialize(name = nil, age = nil)
    @name = name
    @age = age
      # ... default initialization
    yield self if block_given?
  end
end

me = Person.new { |who|
  who.name = 'austin'
  who.age = 31
}

-austin
-- Austin Ziegler, austin@halostatue.ca on 2002.11.13 at 09.59.51