From: Brian Candler <b.candler@...>
Date: 2008-11-26T23:02:20+09:00
Subject: Re: attr_reader, default attribute value, and rdoc of attrib

> The archetypal Ruby best-practice will look like
> this:
> 
>   DEFAULT_FLD_DELIMITER = ','.freeze
> 
>   attr_accessor :fld_delimiter
> 
>   def initialize
>     @fld_delimiter = DEFAULT_FLD_DELIMITER
>   end

Another common pattern:

class Foo
  DEFAULT_OPTS = {
    :fld_delimiter => ',',
  }
  def initialize(opts = {})
    opts = DEFAULT_OPTS.merge(opts)
    @fld_delimiter = opts[:fld_delimiter]
  end
end

f = Foo.new
g = Foo.new(:fld_delimiter => ' ')
-- 
Posted via http://www.ruby-forum.com/.