From: Anime Junkie <sethisroot@...>
Date: 2006-12-24T10:28:59+09:00
Subject: Beginner issues

Hello all,

I'm not much of a developer but will be supporting RoR in the near
future and thought I would familiarize myself with Ruby a bit.  I'm
using the "Programming Ruby" book and find that a lot of the examples
don't work.  They use too much pseudo code in my opinion.  Anyhow, could
anyone explain why the following doesn't work?  I've put comments in
where I thought necessary.

class Song

attr_reader :duration

def initialize(duration)
  @duration = duration
end

def duration_in_mins=(new_duration)
  @duration = (new_duration*60).to_i
end

end # End Song

song = Song.new(360)

puts song.duration # this prints 360

song.duration_in_mins = 2

puts song.duration  # this prints out 120

puts song.duration_in_mins  # I assumed that this would print 2 but
produces the error "undefined method `duration_in_mins'"

//I know that duration_in_mins is a virtual attribute but if I can use
it for assigning value shouldn't I be able to print that?

Any help is much appreciated.

Regards,

Seth

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