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DuoSRX/gist:1288665

Created October 14, 2011 23:21
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gistfile1.rb
# 1.8
> 1.to_a
[1]
> 1.respond_to?(:to_a)
true
> a,b = 10
[10]
> a
[10]
> b
nil
# 1.9
> 1.to_a
NoMethodError: undefined method 'to_a' for 1:Fixnum
> 1.respond_to?(:to_a)
false
> a,b = 10
10
> a
10
> b
nil
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