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blooberr/ruby dup

Last active October 18, 2016 03:47
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ruby dup
a = [5, 3, 2]
b = a
# should see [5,3,2]
puts b.inspect
a[0] = 7
# should see [7,3,2]
puts b.inspect
# reset
a = [5,3,2]
b = a.dup
a[0] = 7
# should see [5,3,2]
puts b.inspect
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