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Bug #10209 » attributes.rb

crojas (Carlos Luis Rojas Aragonés), 09/06/2014 08:01 PM

 
require 'pp'
class Attributes
attr_reader :string, :array, :hash
def initialize
@string = 'value'
@array = [1, 2, 3, 4]
@hash = { name: 'Carlos', age: 25 }
end
end

instance = Attributes.new
pp 'Original atributes:'
pp '-------------------------'
pp instance.string
pp instance.array
pp instance.hash
pp '-------------------------'

# bang!!
# this should not afect the original atribute.
instance.string.gsub!(/.*/, '')
instance.array.clear
instance.hash.clear

pp 'After Hacking attributes:'
pp '-------------------------'
pp instance.string
pp instance.array
pp instance.hash
pp '-------------------------'
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