From: pharrington <xenogenesis@...>
Date: 2009-12-10T11:15:07+09:00
Subject: Re: help solving problem in ruby

On Dec 9, 8:54 pm, Govinda Khanal <khana...@gmail.com> wrote:
> i am a beginner and  having problem in linux with this code:
>
> class Song
>   def to_s
>     "Song: #@name--#@artist (#@duration)"
>   end
> end
> song = Song.new("Bicylops", "Fleck", "2.60")
> song.to_s
>
> => the output looks like this:
>
> a.rb:6:in `initialize': wrong number of arguments (3 for 0)
> (ArgumentError)
>   from a.rb:6:in `new'
>   from a.rb:6
> --
> Posted viahttp://www.ruby-forum.com/.

In Ruby one can reopen a class at anytime and "monkey patch" it to add
new methods etc.  Looks like you skipped the part in Programming Ruby
where the Song class was initially defined.