instance method `deep_dup`

Ruby on Rails 4.0.13

Since v4.0.13

Compare with:

deep_dup()

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

Source

# File activesupport/lib/active_support/core_ext/object/deep_dup.rb, line 27
  def deep_dup
    map { |it| it.deep_dup }
  end

Defined in activesupport/lib/active_support/core_ext/object/deep_dup.rb line 27 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Array

Signature