instance method `deep_dup`

Ruby on Rails 4.2.9

Since v3.1.12

Available in: v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

deep_dup()

Returns a deep copy of hash.

hash = { a: { b: 'b' } }
dup  = hash.deep_dup
dup[:a][:c] = 'c'

hash[:a][:c] # => nil
dup[:a][:c]  # => "c"

Source

# File activesupport/lib/active_support/core_ext/object/deep_dup.rb, line 41
  def deep_dup
    each_with_object(dup) do |(key, value), hash|
      hash[key.deep_dup] = value.deep_dup
    end
  end

Defined in activesupport/lib/active_support/core_ext/object/deep_dup.rb line 41 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Hash

Signature