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deep_dup

deep_dup()

Instance Public methods

Returns a deep copy of array.

array = [1, [2, 3]]
dup   = array.deep_dup
dup[1][2] = 4

array[1][2] # => nil
dup[1][2]   # => 4

Links:

https://github.com/rails/rails/blob/efff6c1fd4b9e2e4c9f705a45879373cb34a5b0e/activesupport/lib/active_support/core_ext/object/deep_dup.rb#L27

doc_ruby_on_rails

2015-06-20 00:00:00

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