method

dup

v7.0.0 - Show latest stable - 0 notes - Class: ActiveSupport::HashWithIndifferentAccess

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What's this?

dup() public

Returns a shallow copy of the hash.

hash = ActiveSupport::HashWithIndifferentAccess.new({ a: { b: 'b' } })
dup  = hash.dup
dup[:a][:c] = 'c'

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

Show source

# File activesupport/lib/active_support/hash_with_indifferent_access.rb, line 256
    def dup
      self.class.new(self).tap do |new_hash|
        set_defaults(new_hash)
      end
    end

dup

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