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comp.lang.ruby

define_method issue

Raj Singh

8/20/2008 2:21:00 AM

Based on the following example should I conclude whether I use
instance_eval or class_eval, define_method always creates an instance
method.

class Music
end

Music.instance_eval do
define_method :jazz do
puts 'i am jazz'
end
end

Music.class_eval do
define_method :rock do
puts 'i am rock'
end
end

Music.jazz rescue puts 'Music.jazz failed'
Music.rock rescue puts 'Music.rock failed'
Music.new.jazz rescue puts 'Music.new.jazz failed'
Music.new.rock rescue puts 'Music.new.rock failed'

output is:
Music.jazz failed
Music.rock failed
i am jazz
i am rock
--
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